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 Foil - $5.80
Lightly Played Foil - $5.50
Moderately Played Foil - $5.20
Heavily Played Foil - $4.70
Damaged Foil - $3.80
NM-Mint Foil Non English - $5.80
Lightly Played Foil Non English - $5.50
Moderately Played Foil Non English - $5.20
Heavily Played Foil Non English - $4.70
Damaged Foil Non English - $3.80