Orochi Merge-Keeper is a uncommon Creature — Snake Druid card from Foundations Jumpstart (J25), collector number 695. Current market price: $0.26, TCGplayer market prices via Scryfall.
{T}: Add {G}. As long as this creature is modified, it has "{T}: Add {G}{G}." (Equipment, Auras you control, and counters are modifications.)