Scion of the Ur-Dragon [Commander 2017] SM23 Return a land you control

Return a land you control to its owner's hand: Target creature gains trample until end of turn

Set: Khans of Tarkir Type: Creature — Shapeshifter Rarity: Mythic Cost: {2}{U}{U} You may have Clever Impersonator enter the battlefield as a copy of any nonland permanent on the battlefield

Set: Gym Heroes 1st Edition Type: Fighting Rarity: Rare Retreat cost: Colorless

that player creates a Blood token

Set: Innistrad: Double Feature Type: Creature — Human Werewolf Rarity: Uncommon Cost: {4}{R} Haste

Scion of the Ur-Dragon [Commander 2017] SM23 Return a land you controlSet: Commander 2017 Type: Legendary Creature Dragon Avatar Rarity: Rare Cost: {W}{U}{B}{R}{G} Flying {2}: Search your library for a Dragon permanent card and put it into your graveyard. If you do, Scion of the Ur Dragon becomes a copy of that card until end of turn. Then shuffle. "I am the blood of the ur dragon, coursing through all dragonkind."