Plaxcaster Frogling is a uncommon Creature — Frog Mutant card from Modern Masters 2015 (MM2), collector number 184. Current market price: $0.56 (foil $1.54), TCGplayer market prices via Scryfall.
Graft 3 (This creature enters with three +1/+1 counters on it. Whenever another creature enters, 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.)