![Ulamog, the Defiler (Retro) [Modern Horizons 3] San Diego Comic-Con 2019 Whenever Grimgrin attacks](https://cdn.shopify.com/s/files/1/0648/2696/6185/files/25759cfa-772c-5499-85ff-2c6d842dfe86.png?v=1723043903)
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Whenever Grimgrin attacks
When that permanent enters the battlefield
Set: Secret Lair Drop Promos Type: Land Rarity: Rare {T}
Mishra listened well to her lessons on clarity of purpose
000 Type: Artifact Rarity: Rare Cost: {4} You may look at the top card of your library any time
Ulamog, the Defiler (Retro) [Modern Horizons 3] San Diego Comic-Con 2019 Whenever Grimgrin attacksSet: Modern Horizons 3 Type: Legendary Creature Eldrazi Rarity: Mythic Cost: {10} When you cast this spell, target opponent exiles half their library, rounded up. WardSacrifice two permanents. Ulamog, the Defiler enters the battlefield with a number of +1 +1 counters on it equal to the greatest mana value among cards in exile. Ulamog has annihilator X, where X is the number of +1 +1 counters on it.