Satya, Aetherflux Genius [Modern Horizons 3 Commander]

Set: Modern Horizons 3 Commander Type: Legendary Creature — Human Artificer Rarity: Mythic Cost: {1}{U}{R}{W} Menace, hasteWhenever Satya, Aetherflux Genius attacks, create a tapped and attacking token that's a copy of up to one other target nontoken creature you control. You get {E}{E} (two energy counters). At the beginning of the next end step, sacrifice that token unless you pay an amount of {E} equal to its mana value.