Nexxa, Simic Evolutionary

Evolve, Undying
Graft 1 (This creature enters the battlefield with a
+1/+1 counter on it. Whenever another creature enters
the battlefield, you may move a +1/+1 counter from
this creature onto it.)
"Progress is neither automatic, nor inevitable. Project
Nexxa's success demonstrates no small amount of evolutionary perfection and sacrifice." - Prime
Speaker Vannifar