Slaughter-Priest of Mogis is one of those cards players keep asking about. Here is, in plain words, what its official text says, the rulings published by Wizards of the Coast, and the combos players actually run.
Official card text
Whenever you sacrifice a permanent, this creature gets +2/+0 until end of turn., Sacrifice another creature or an enchantment: This creature gains first strike until end of turn.
Complete guide
Slaughter-Priest of Mogis is a powerhouse for aggressive sacrifice-based decks, rewarding you for feeding your own permanents to your engines. This Minotaur Shaman excels at growing into a massive threat while using its own abilities to weave through blockers. Understanding the distinction between its triggered and activated abilities is the key to mastering its gameplay.
Double the Power
The first ability of Slaughter-Priest of Mogis is a triggered ability that triggers whenever you sacrifice a permanent. This includes creatures and enchantments you sacrifice to its own second ability, but also Treasure tokens, Clues, or permanents sacrificed to pay for other spells and abilities. Each time a sacrifice occurs, the Priest gains a +2/+0 bonus until the end of the turn. Note that this ability doesn't let you sacrifice things for free; you must have an external method or use the Priest's own activated ability to trigger it.
Activating First Strike
For a cost of two generic mana and the sacrifice of another creature or an enchantment, Slaughter-Priest of Mogis gains first strike until end of turn. Because this cost includes a sacrifice, it will immediately trigger the Priest's first ability, effectively giving it +2/+0 and first strike in one go. Remember that multiple instances of first strike are redundant, so activating this multiple times in one turn will only increase its power, not grant additional combat benefits.
Timing and Strategy
The best time to use Slaughter-Priest of Mogis is during the combat phase. Since the power boost lasts until the end of the turn, you can wait until blockers are declared to see if you need to sacrifice permanents to push through lethal damage or to save the Priest in combat using first strike. Because it triggers off any permanent sacrifice, keep an eye on your non-creature permanents like Sagas or Treasures to find unexpected lethals.
Interaction examples
With both creatures on the board, you attack with Professional Face-Breaker. When it deals combat damage, you create a Treasure token. You then activate the ability of Professional Face-Breaker by sacrificing that Treasure to exile the top card of your library. Because a permanent (the Treasure) was sacrificed, Slaughter-Priest of Mogis triggers and gains +2/+0, becoming a 4/2 threat.
You have two mana available and another small creature. You activate the second ability of Slaughter-Priest of Mogis, sacrificing the small creature as the cost. Two things happen: Blood Artist triggers because a creature died, and Slaughter-Priest of Mogis triggers because a permanent was sacrificed. You gain 1 life, an opponent loses 1 life, and the Priest becomes a 4/2 with first strike.
Guide written with AI from the official text and rulings. Official English text prevails.
How it works : Slaughter-Priest of Mogis
Original English text — Wizards of the Coast / Scryfall
- #1· Wizards of the Coast
The first ability of Slaughter-Priest of Mogis is a triggered ability, not an activated ability. It doesn't allow you to sacrifice a permanent whenever you want; rather, you need some other way of sacrificing permanents, such as its second ability.
No other card is named in this ruling.
- #2· Wizards of the Coast
Multiple instances of first strike on the same creature are redundant.
No other card is named in this ruling.
Popular combos
Real combos played by the community, sorted by popularity.
Sethron, Hurloon General + Cloudstone Curio + Ragemonger + Slaughter-Priest of Mogis
- 1Cast Slaughter-Priest of Mogis by paying
due to Ragemonger.
- 2When Slaughter-Priest of Mogis enters the battlefield, Sethron and Cloudstone Curio trigger.
- 3Resolve the Cloudstone Curio trigger, choosing to return nothing to your hand.
- 4Resolve the Sethron trigger, creating a 2/3 Minotaur creature token.
- 5When the Minotaur token enters the battlefield, Cloudstone Curio triggers, returning Slaughter-Priest of Mogis to your hand from the battlefield.
- 6Repeat.
Legal formats
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Read next
Meta decks with Slaughter-Priest of Mogis
No archived Top 8 deck with this card yet.



Professional Face-Breaker
Blood Artist

