Greenbelt Guardian

{G}: Target creature gains trample until end of turn. Exhaust — {3}{G}: Put three +1/+1 counters on this creature. (Activate each exhaust ability only once.)

From Magic: The Gathering.

Open the interactive version on https://mythscribe.cloud/app/tcg/cards/cms6o7evi4j6ppb1h949zi49g.