Ulamog, the Defiler (Retro) [Modern Horizons 3] Born of the Gods choose a letter

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and mana of any type can be spent to cast them

Other features include the use of magnets for its transforming horn

Set: Mercadian Masques Type: Sorcery Rarity: Rare Cost: {X}{R}{R} Each player sacrifices X lands

Ulamog, the Defiler (Retro) [Modern Horizons 3] Born of the Gods choose a letterSet: 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.