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.

• Number: 247
• Rarity: R
• Power: 4
• Toughness: 7
• Type: Artifact Creature
• Subtype: Myr Construct
• Mana cost: 7
• Color: Artifact
• Artist: Franz Vohwinkel