Masticore [Urza's Destiny] San Diego Comic-Con 2013 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

exchange control of Gilded Drake and up to one target creature an opponent controls

Set: Ninth Edition Type: Artifact Rare Cost: {4} At the beginning of each player's draw step

Set: Commander 2017 Type: Legendary Creature — Dragon Avatar Mythic Cost: {4}{W}{U}{B}{R}{G} Eminence — As long as The Ur-Dragon is in the command zone or on the battlefield

Masticore [Urza's Destiny] San Diego Comic-Con 2013 and it has "{2}{U}{U}: ReturnSet: Urza's Destiny Type: Artifact Creature Masticore Rare Cost: {4} At the beginning of your upkeep, sacrifice Masticore unless you discard a card. {2}: Masticore deals 1 damage to target creature. {2}: Regenerate Masticore.