Myr Battlesphere [Scars of Mirrodin]
Out of stock
Set: Scars of Mirrodin Type: Artifact Creature Myr Construct Rarity: RareWhen Myr Battlesphere enters the battlefield, put four 1/1 colorless Myr artifact creature tokens onto the battlefield.
Whenever Myr Battlesphere attacks, you may tap X untapped Myr you control. If you do, Myr Battlespherre gets +X/+0 until end of turn and deals X damage to defending player.