Scion of the Ur-Dragon [Commander 2017] Adventure Even the wicked have nightmares

Even the wicked have nightmares

−4: You get an emblem with "Creatures you control get +1/+1

gain control of target creature of an opponent's choice they control

then sacrifices all creatures they control

Scion of the Ur-Dragon [Commander 2017] Adventure Even the wicked have nightmaresSet: 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."