Cheapest priced copy (March of the Machine): $2.79 at Card Kingdom, near mint, their price list as of .
Inga and Esika 
Legendary Creature — Human God · 4/4 · Rare · March of the Machine Promos · #229p
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.
Legal inCommanderPioneerModernLegacyVintage
Not legal inBrawlStandardPauper
4 printings · $2.79 to $4.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| March of the Machine | 229 | Rare | $2.79 | $3.49 |
| March of the Machine | 310 | Rare | $2.79 | $3.49 |
| March of the Machine Promos | 229p | Rare | $2.79 | $4.49 |
| March of the Machine Promos | 229s | Rare | — | $4.49 |