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 - $0.20
Lightly Played - $0.20
Moderately Played - $0.10
Heavily Played - $0.10
Damaged - $0.10
Near Mint Spanish - $0.20
Lightly Played Spanish - $0.20
Moderately Played Spanish - $0.10
Heavily Played Spanish - $0.10
Damaged Spanish - $0.10
Foil Prices
Near Mint Foil - $7.70
Lightly Played Foil - $6.20
Moderately Played Foil - $5.40
Heavily Played Foil - $4.60
Damaged Foil - $3.90
Near Mint Foil Spanish - $7.70
Lightly Played Foil Spanish - $6.20
Moderately Played Foil Spanish - $5.40
Heavily Played Foil Spanish - $4.60
Damaged Foil Spanish - $3.90