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 - $0.95
Lightly Played - $0.90
Moderately Played - $0.71
Heavily Played - $0.57
Damaged - $0.38
Near Mint Non-English - $0.95
Lightly Played Non-English - $0.90
Moderately Played Non-English - $0.71
Heavily Played Non-English - $0.57
Damaged Non-English - $0.38
Foil Prices
Near Mint Foil - $1.25
Lightly Played Foil - $1.25
Moderately Played Foil - $1.00
Heavily Played Foil - $0.75
Damaged Foil - $0.50
Near Mint Foil Non-English - $1.25
Lightly Played Foil Non-English - $1.25
Moderately Played Foil Non-English - $1.00
Heavily Played Foil Non-English - $0.75
Damaged Foil Non-English - $0.50