Bonehoard Dracosaur (Borderless) [The Lost Caverns of Ixalan] Wings of the Captain that player simultaneously sacrifices the

that player simultaneously sacrifices the artifact and returns the artifact card to the battlefield

If you completely surround a pillar

{4}{U}{B}{R}: Exile Nicol Bolas

then return him to the battlefield transformed under his owner's control

Bonehoard Dracosaur (Borderless) [The Lost Caverns of Ixalan] Wings of the Captain that player simultaneously sacrifices theSet: The Lost Caverns of Ixalan Type: Creature Dinosaur Dragon Rarity: Mythic Cost: {3}{R}{R} Flying, first strike At the beginning of your upkeep, exile the top two cards of your library. You may play them this turn. If you exiled a land card this way, create a 3 1 red Dinosaur creature token. If you exiled a nonland card this way, create a Treasure token.