Bestow {2}{W}{W} (If you cast this card for its bestow cost, it's an Aura spell with enchant creature. It becomes a creature again if it's not attached to a creature.) Eidolon of Countless Battles and enchanted creature each get +1/+1 for each creature you control and +1/+1 for each Aura you control.
Near Mint - $300
Lightly Played - $200
Moderately Played - $200
Heavily Played - $200
Damaged - $200
Near Mint Spanish - $300
Lightly Played Spanish - $200
Moderately Played Spanish - $200
Heavily Played Spanish - $200
Damaged Spanish - $200
Foil Prices
Near Mint Foil - $5.500
Lightly Played Foil - $4.400
Moderately Played Foil - $3.900
Heavily Played Foil - $3.300
Damaged Foil - $2.800
Near Mint Foil Spanish - $5.500
Lightly Played Foil Spanish - $4.400
Moderately Played Foil Spanish - $3.900
Heavily Played Foil Spanish - $3.300
Damaged Foil Spanish - $2.800