Trollbred Guardian is a uncommon Creature — Troll Frog Warrior card from Ravnica Allegiance (RNA), collector number 148. Current market price: $0.20 (foil $1.41), TCGplayer market prices via Scryfall.
{2}{G}: Adapt 2. (If this creature has no +1/+1 counters on it, put two +1/+1 counters on it.) Each creature you control with a +1/+1 counter on it has trample.