Arena Thrull

Undying (When this creature dies, if it had no
+1/+1 counters on it, return it to the battlefield
under its owner’s control with a +1/+1 counter
on it.)
Supremacy- As long as you have the highest life
total among all players, this creature gets +1/+1
"Thrulls are great, no matter how much you beat them
up, you can just bring them back!"
-Dima, Arena Director