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 Foil - $1.10
Lightly Played Foil - $1.00
Moderately Played Foil - $0.90
Heavily Played Foil - $0.80
Damaged Foil - $0.60
NM-Mint Foil Non English - $1.10
Lightly Played Foil Non English - $1.00
Moderately Played Foil Non English - $0.90
Heavily Played Foil Non English - $0.80
Damaged Foil Non English - $0.60