Myr Battlesphere
Myr Battlesphere
When this creature enters, create four 1/1 colorless Myr artifact creature tokens.
Whenever this creature attacks, you may tap X untapped Myr you control. If you do, this creature gets +X/+0 until end of turn and deals X damage to the player or planeswalker it's attacking.
Aggro Artifact Tokens Artifacts Matter Big Mana Blink Burn Combat Matters Construct Kindred Creature Tokens Enter the Battlefield Leave the Battlefield Myr Kindred Token Creation Tokens Matter Toughness Matters