背教のドッペルゲンガー (Renegade Doppelganger) (ja)
Creature - Shapeshifter
| Power/Toughness:
0 / 1
(CMC 2)
Whenever another creature enters the battlefield under your control, you may have Renegade Doppelganger become a copy of that creature until end of turn. (If it does, it loses this ability for the rest of the turn.)