Rako Hardeen

Sacrifice another creature: Rako Hardeen deals 1
damage to any target. Put a suspicion counter on
Rako Hardeen.
At the beginning of your end step, if Rako
Hardeen has three or more suspicion counters
on it, exile Rako Hardeen, then return it to the
battlefield transformed under target opponent's
control.
"I killed Obi-Wan Kenobi!"