Orochi Merge-Keeper is a uncommon Creature — Snake Druid card from Kamigawa: Neon Dynasty (NEO), collector number 203. Current market price: $0.24 (foil $0.30), 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.)