Your opponents can't cast spells with even converted mana costs. (Zero is even.) Your opponents can't block with creatures with even converted mana costs.
"Have you ever seen a world fall to its knees? Watch, and learn."
—Ob Nixilis
Near Mint - $15.300
Lightly Played - $12.200
Moderately Played - $10.700
Heavily Played - $9.200
Damaged - $7.700
Near Mint Spanish - $15.300
Lightly Played Spanish - $12.200
Moderately Played Spanish - $10.700
Heavily Played Spanish - $9.200
Damaged Spanish - $7.700
Foil Prices
Near Mint Foil - $37.200
Lightly Played Foil - $29.700
Moderately Played Foil - $26.000
Heavily Played Foil - $22.300
Damaged Foil - $18.600
Near Mint Foil Spanish - $37.200
Lightly Played Foil Spanish - $29.700
Moderately Played Foil Spanish - $26.000
Heavily Played Foil Spanish - $22.300
Damaged Foil Spanish - $18.600