Flying, hexproof from multicolored Whenever Niv-Mizzet, Guildpact deals combat damage to a player, it deals X damage to any target, target player draws X cards, and you gain X life, where X is the number of different color pairs among permanents you control that are exactly two colors.
NM-Mint - $1.00
Lightly Played - $0.90
Moderately Played - $0.80
Heavily Played - $0.70
Damaged - $0.50
NM-Mint Non English - $1.00
Lightly Played Non English - $0.90
Moderately Played Non English - $0.80
Heavily Played Non English - $0.70
Damaged Non English - $0.50
Foil Prices
NM-Mint Foil - $1.20
Lightly Played Foil - $1.10
Moderately Played Foil - $0.90
Heavily Played Foil - $0.80
Damaged Foil - $0.60
NM-Mint Foil Non English - $1.20
Lightly Played Foil Non English - $1.10
Moderately Played Foil Non English - $0.90
Heavily Played Foil Non English - $0.80
Damaged Foil Non English - $0.60