Ulamog, the Infinite Gyre [From the Vault: Legends] Human Barbarian Soldier destroy all untapped creatures that

destroy all untapped creatures that didn't attack this turn

If that mana is spent on an instant or sorcery spell

it enters the battlefield tapped

Landfall — Whenever a land enters the battlefield under your control

Each player who doesn't win the subgame loses half their life

Ulamog, the Infinite Gyre [From the Vault: Legends] Human Barbarian Soldier destroy all untapped creatures thatSet: 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.