Whenever Niv-Mizzet, Guildpact deals combat damage to a player, it deals X damage to any target, target plater 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 - $726.30
Lightly Played Foil - $653.60
Moderately Played Foil - $581.00
Heavily Played Foil - $508.40
Damaged Foil - $363.20
NM-Mint Foil Non English - $726.30
Lightly Played Foil Non English - $653.60
Moderately Played Foil Non English - $581.00
Heavily Played Foil Non English - $508.40
Damaged Foil Non English - $363.20