Ulamog, the Defiler [Modern Horizons 3] Urza's Power-Plant you may reveal an Island

you may reveal an Island or Swamp card from your hand

Set: Eldritch Moon Prerelease Promos Type: Creature — Spirit Rarity: Rare Cost: {U} Flying

Set: Strixhaven: School of Mages Prerelease Promos Type: Land Rarity: Rare As Vineglimmer Snarl enters the battlefield

Set: Murders at Karlov Manor Type: Land — Plains Island Rarity: Rare Meticulous Archive enters the battlefield tapped

Set: Antiquities Type: Artifact Rarity: Uncommon Cost: {1} At the beginning of your upkeep

Ulamog, the Defiler [Modern Horizons 3] Urza's Power-Plant you may reveal an IslandSet: 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.