Sporeback Troll is a common Creature — Troll Mutant card from Dissension (DIS), collector number 94. Current market price: $0.18 (foil $3.60), TCGplayer market prices via Scryfall.
Graft 2 (This creature enters with two +1/+1 counters on it. Whenever another creature enters, you may move a +1/+1 counter from this creature onto it.) {1}{G}: Regenerate target creature with a +1/+1 counter on it.