Gaea's Gift is a common Instant card from The Brothers' War (BRO), collector number 182. Current market price: $0.87 (foil $1.21), TCGplayer market prices via Scryfall.
Put a +1/+1 counter on target creature you control. It gains reach, trample, hexproof, and indestructible until end of turn. (It can't be the target of spells or abilities your opponents control. Damage and effects that say "destroy" don't destroy it.)