Kozilek, Butcher of Truth [Ultimate Masters] Tenth Edition and it has "{2}{U}{U}: Return

and it has "{2}{U}{U}: Return this creature to its owner's hand at the beginning of the next end step

my strength is that of mountains

Set: Kaladesh Prerelease Promos Type: Land Rarity: Rare Botanical Sanctum enters the battlefield tapped unless you control two or fewer other lands

" —Thrun

they left it tainted with uncleansable evil

Kozilek, Butcher of Truth [Ultimate Masters] Tenth Edition and it has "{2}{U}{U}: ReturnSet: Ultimate Masters Type: Legendary Creature Eldrazi Rarity: Mythic Cost: {10} When you cast this spell, draw four cards. Annihilator 4 (Whenever this creature attacks, defending player sacrifices four permanents.) When Kozilek, Butcher of Truth is put into a graveyard from anywhere, its owner shuffles their graveyard into their library.