Plaxcaster Frogling

Graft 3 (This creature enters the battlefield with
three +1/+1 counters on it. Whenever another creature enters the battlefield, you may move a +1/+1 counter
from this creature onto it.)
{2}: Target creature with a +1/+1 counter on it
gains shroud until end of turn. (It can't be the
target of spells or abilities.)