Plaxcaster Frogling
{1}{G}{U}
Creature -- Frog Mutant
0/0
Graft 3 (~this~ enters with three +1/+1 counters on it. Whenever another creature enters, you may move a +1/+1 counter from ~this~ 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.)