Simic Hydropon

Defender
Graft 5 (This creature enters the battlefield with
five +1/+1 counters on it. Whenever another
creature enters the battlefield, you may move a
+1/+1 counter from this creature onto it.)
Whenever you put a +1/+1 counter on a creature
you control, you may gain 1 life.
Fruits of magic, roots in science.