This spell costs X less to cast, where X is the total toughness of creatures you control.
Defender
2UU: Until end of turn, target creature you control gets +1/+0, gains "Whenever this creature deals combat damage to a player, draw cards equal to its toughness," and can attack as though it didn't have defender.
NM-Mint - $1.40
Lightly Played - $1.30
Moderately Played - $1.10
Heavily Played - $1.00
Damaged - $0.70
NM-Mint Non English - $1.40
Lightly Played Non English - $1.30
Moderately Played Non English - $1.10
Heavily Played Non English - $1.00
Damaged Non English - $0.70
Foil Prices
NM-Mint Foil - $1.70
Lightly Played Foil - $1.50
Moderately Played Foil - $1.40
Heavily Played Foil - $1.20
Damaged Foil - $0.90
NM-Mint Foil Non English - $1.70
Lightly Played Foil Non English - $1.50
Moderately Played Foil Non English - $1.40
Heavily Played Foil Non English - $1.20
Damaged Foil Non English - $0.90