MAGIC: THE GATHERING
|Edition:||Scars of Mirrodin|
|Type:||Artifact Creature - Myr Construct|
When 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 Battlesphere gets +X/+0 until end of turn and deals X damage to defending player.