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.)
To truly know a creature, slither a mile in its tentacles.
![Renegade Doppelganger [Rise of the Eldrazi]](http://www.dungeonsandjavas.com/cdn/shop/files/237dc3f4-4d1a-5281-94a8-83f072cd177d.jpg?v=1781857212&width=1445)
