Ulamog, the Infinite Gyre [From the Vault: Legends] Gargoyle Whenever a creature an opponent

Whenever a creature an opponent controls with a -1/-1 counter on it dies

Whenever Lu Xun

tap Yawgmoth Demon and it deals 2 damage to you

if Mana Vault is tapped

Ulamog, the Infinite Gyre [From the Vault: Legends] Gargoyle Whenever a creature an opponentSet: From the Vault: Legends Type: Legendary Creature Eldrazi Rarity: Mythic Cost: {11} When you cast this spell, destroy target permanent. Indestructible Annihilator 4 (Whenever this creature attacks, defending player sacrifices four permanents.) When Ulamog, the Infinite Gyre is put into a graveyard from anywhere, its owner shuffles their graveyard into their library.