Ulamog, the Infinite Gyre [From the Vault: Legends] Arabian Nights Creatures can't attack you unless

Creatures can't attack you unless their controller pays {2} for each creature they control that's attacking you

sacrifice Phantasmal Forces unless you pay {U}

Discard this card: Search your library for a Plains card

(Then put Timetwister into its owner's graveyard

Ulamog, the Infinite Gyre [From the Vault: Legends] Arabian Nights Creatures can't attack you unlessSet: 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.