Plaxcaster Frogling [Mystery Booster]

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.)