Inga and Esika is a rare Legendary Creature — Human God card from March of the Machine (MOM), collector number 310. Current market price: $1.73 (foil $1.67), TCGplayer market prices via Scryfall.
Creatures you control have vigilance and "{T}: Add one mana of any color. Spend this mana only to cast a creature spell." Whenever you cast a creature spell, if three or more mana from creatures was spent to cast it, draw a card.