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.
Near Mint - $0.60
Lightly Played - $0.50
Moderately Played - $0.40
Heavily Played - $0.40
Damaged - $0.30
Near Mint Spanish - $0.60
Lightly Played Spanish - $0.50
Moderately Played Spanish - $0.40
Heavily Played Spanish - $0.40
Damaged Spanish - $0.30
Foil Prices
Near Mint Foil - $20.00
Lightly Played Foil - $16.00
Moderately Played Foil - $14.00
Heavily Played Foil - $12.00
Damaged Foil - $10.00
Near Mint Foil Spanish - $20.00
Lightly Played Foil Spanish - $16.00
Moderately Played Foil Spanish - $14.00
Heavily Played Foil Spanish - $12.00
Damaged Foil Spanish - $10.00