Myr Battlesphere (Ripple Foil) [Modern Horizons 3 Commander]

Set: Modern Horizons 3 Commander Type: Artifact Creature — Myr Construct Rarity: Uncommon Cost: {7} When Myr Battlesphere enters the battlefield, create four 1/1 colorless Myr artifact creature tokens.Whenever Myr Battlesphere attacks, you may tap X untapped Myr you control. If you do, Myr Battlesphere gets +X/+0 until end of turn and deals X damage to the player or planeswalker it's attacking.