Tracer, Timeless Renegade

: When Tracer, Timeless Renegade is dealt combat damage, prevent that damage and remove a loyalty counter from it.
+1: Until end of turn, Tracer, Timeless Renegade becomes an 3/1 Human Rogue creature with First Strike and Haste that's still a plansewalker.
0: Exile Tracer, Timeless Renegade. Return it to the battlefield under it's owner's control at the beginning of the next end step.