Inga and Esika is a rare Legendary Creature — Human God card from March of the Machine Promos (PMOM), collector number 229p. Current market price: $3.19 (foil $2.47), 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.