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Combo Priest deck list guide - Boomsday - Hearthstone (September 2018)

Our advanced guide to playing Combo Priest in the Boomsday meta.

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About John Bedford

John is Metabomb's Editor in Chief, and is responsible for all of the Hearthstone news, features and guides content on the site.

Our Combo Priest deck list guide features the best deck list for Season 54 of Boomsday (September 2018). Our Combo Priest guide also contains Mulligan advice, card combos and strategy tips.

Combo Priest is a Hearthstone deck that's been around in one form or another for absolutely ages, but has grown in popularity since the release of The Witchwood expansion back in April. A few new Boomsday cards have made the deck a good deal tougher to pilot, so we think this one is best left to experienced players by now.

The general idea behind playing this deck is to feed Test Subject a series of buffs. The minion can then be replicated with Vivid Nightmares and the original killed off with Topsy Turvy to refuel your hand with the spells you've spent. By repeating this in a rather complicated fashion, you're able to double up the health of Stonetusk Boar several times and then use Topsy Turvy to turn it into a one-turn kill monster.

In the fourth edition of our Combo Priest guide, we're highlighting the most competitive version of the deck that's seeing play right now. We've also added in loads of strategy and Mulligan advice to help you pilot the deck to your best ability. If this one continues to be popular, we'll continue updating this article!

UPDATE - BOOMSDAY #2

Combo Priest hasn't really lived up to all the hype since the new Boomsday version arrived, but if you're determined to take this mind-bendingly fiddly deck to the ladder we've got just the guide you need. You'll find detailed strategy advice about pulling off the combo, along with Mulligan help. Good luck!

Combo Priest deck list and strategy

This precise version of Combo Priest is the one that's seeing the most play in the current stage of the Boomsday meta. We'll update our recommendation as the meta evolves over time.

PriestNeutral
2 x Topsy Turvy1 x Stonetusk Boar
2 x Power Word: Shield1 x Bloodmage Thalnos
1 x Test Subject2 x Doomsayer
1 x Dead Ringer2 x Loot Hoarder
2 x Divine Spirit1 x Sandbinder
2 x Radiant Elemental2 x Witchwood Piper
2 x Shadow Visions
2 x Spirit Lash
2 x Twilight's Call
1 x Mass Dispel
2 x Vivid Nightmare
2 x Psychic Scream

Select and copy the long ID string below, then create a deck in Hearthstone to export this deck into your game.

Deck Import ID: AAECAa0GBogF7QXWCp7wAqH+AvGAAwyKAfsB5QTRCtHBAtjBAvDPAujQAqniAqbwAoL3AtD+AgA=

General strategy

Following the launch of The Boomsday Project, Combo Priest has quickly gained the reputation as one of the most complicated decks to pilot in the history of Hearthstone. It uses a familiar plan of buffing a minion’s health with Divine Spirit and then swapping it to be their attack with the new Topsy Turvy card, but executing all the steps to reach that point over a single turn is a stressful, head-spinning race against the clock that’s caused even the game’s best pros to fumble.

First, you’ll want to draw through your deck to acquire the following cards: Stonetusk Boar, Divine Spirit, Radiant Elemental, Test Subject, Topsy Turvy and Vivid Nightmares. Then, you’ll want to play Test Subject, cast Divine Spirit and Vivid Nightmares on it, and then use Topsy Turvy to kill the first copy.

That will duplicate more copies of Divine Spirit into your hand so you can then repeat the process on the next Test Subject. Once you’ve done that enough times you’ll have many copies of Divine Spirit to buff Stonetusk Boar up to a ridiculous health value, swap it with Topsy Turvy and then deliver lethal damage. A lot of practise is needed to fit all of this in time, for sure!

Early game: You’ll want to spend the early game almost exclusively drawing cards. Bloodmage Thalnos, Loot Hoarder and Dead Ringer all push you down this path. Meanwhile, you have some board control options through Doomsayer and Spirit Lash to prevent your opponent from getting too far ahead.

Mid game: The plan remains much the same for the mid game, so continue looking for any of the remaining combo pieces. Shadow Visions, Sandbinder and Witchwood Piper can all help with finding specific cards if you’re missing them. Try to continue keeping your opponent in check as well, although it won’t matter too much if you have the combo ready to execute just a turn or two away.

Late game: By now you should have everything you need to pull off the combo. Take a deep breath, remember your ordering and good luck. Here’s hoping you manage to play everything before the rope burns away. Remember, you need enough copies of Radiant Elemental down to make your spell casts free, and make sure you throw Divine Spirit onto Test Subject before Vivid Nightmare to keep the copies coming in.

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Aggro opponents

Some important things to keep in mind when against aggro decks:

  • 1. Fast decks are the biggest weakness of Combo Priest as they can burn you down before you’ve gathered all combo pieces.
  • 2. Although you want to prioritise draw, it may be more sensible to spent a turn removing your opponent’s minions if you’re getting swamped.
  • 3. It’s usually worth throwing a Doomsayer onto an empty board so you can disrupt or delay your opponent’s plans next turn, giving you more time to search for the combo.
  • 4. Mass Dispel and Psychic Scream can also help give you room to breathe in the late game.
  • 5. Although you really want to use it to gather combo pieces, Shadow Visions can help you find a Spirit Lash if you need some extra board clear.

Control opponents

Here are a few tips when facing control opponents on ladder:

  • 1, You should be under less pressure in this matchup, so focus on card draw and take your time gathering all the combo pieces you need.
  • 2. If your opponent is well-entrenched on the board when you’re ready to execute the combo, a Psychic Scream on the previous turn can clear the path for your Stonetusk Boar.
  • 3. Similarly, Mass Dispel can negate any Taunt creatures in the game that might stop you reaching the opponent’s life total.
  • 4. It should be seen as more of a desperate play, but you can always cast Power Word: Shield on your opponent’s minions if you need to go aggressively for card draw.
  • 5. Watch out for Warlock decks that are running Demonic Project and Gnomeferatu in particular, as they can completely ruin your combo.

More great Priest guides:

Combo Priest Mulligan guide

In the Mulligan phase you’ll want to emphasise card draw so you can gather all the necessary combo pieces.

  • 1. Loot Hoarder: A classic and well-loved card draw tool that might take a minion down with him as well.
  • 2. Dead Ringer: Here’s a minion that draws a card when it dies. And that minion will give you more card draw, which is exactly what you want at the start of the game.
  • 3. Bloodmage Thalnos: The spell power has limited use, but you’re really playing this for - you guessed it - more card draw.
  • 4. Doomsayer: Allows you to control the early game by clearing your opponent’s board or disrupting their early plays.
  • 5. Power Word: Shield: Helps you eke a little more value out of your early minions while offering some more card draw.

Combo Priest tips, combos and synergies

We've alright outlined your game-winning combo elsewhere in this guide, but here are the other card synergies you need to be aware of when playing this list:

- Power Word: Shield provides more Health for its target and also draws you a card in the process.

- All spells cost one Mana less while Radiant Elemental is on the board, and this effect stacks if you have more than one copy of the minion in play.

- Spirit Lash does a point of damage to all minions on both sides of the board, and restores the total damage done as Health to your hero.

- Spells are on point stronger for as long as Bloodmage Thalnos is out on the board.

- Sandbinder is guaranteed to pull Radiant Elemental for you, as it's the only minion of its type in the deck.

- Cast Mass Dispel and all minions will lose their buffs and effects. This can be useful to do before making your big combo play if you need to get past a problematic taunt or two on the board.

- When you play Psychic Scream, all minions are hoovered up off the board and dropped into your opponent's deck pile.

Card choices and substitutions

Combo Priest is still going through some serious refinement, so the final deck list may experience significant changes over the next few weeks. Nevertheless, these key cards will always play an important part in making it work:

  • Topsy Turvy: Needed to kill off Test Subject so you can generate multiple copies of Divine Spirit, and also turn all of that Health on Stonetusk Boar into some ludicrous attack power.
  • Stonetusk Boar: Will deliver the final blow to your opponent after being super-charged by many copies of Divine Spirit and a Topsy Turvy.
  • Test Subject: Returns any spells you’ve cast on it back to you when it dies, which helps refill your hand with the combo pieces you need to use on Stonetusk Boar.
  • Bloodmage Thalnos: The spell power doesn’t really come into play all that often but it’s handy for some extra early game card draw.
  • Divine Spirit: Doubles the Health of the target minion. You can create a whole load of copies of it with Test Subject, stack them on Stonetusk Boar, and then use Topsy Turvy for lethal in a single turn.
  • Radiant Elemental: You need enough of these on the board so that all your spells cost zero mana, allowing you to repeat the combo multiple times to fill your hand with copies of Divine Spirit.
  • Shadow Visions: Can discover a copy of the combo piece you’re missing rather than forcing you to dig through your deck to find it.
  • Sandbinder: Helps to draw your Radiant Elemental, although it’s far from a necessary inclusion. Some decks prefer running a Binding Heal to give you more survivability against aggro.
  • Vivid Nightmare: Allows you to resummon additional copies of Test Subject that already have Divine Spirit cast on them. Do this enough times to get more and more copies of Divine Spirit back into your hand.
  • Psychic Scream: A big catch up card if you’ve fallen behind in the late game or to clear the board for you to pull the trigger on the combo next turn.

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