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.
Near Mint Foil - £2.10
Lightly Played Foil - £1.80
Moderately Played Foil - £1.50
Heavily Played Foil - £1.10
Damaged Foil - £0.60
Near Mint Foil Non English - £2.10
Lightly Played Foil Non English - £1.80
Moderately Played Foil Non English - £1.50
Heavily Played Foil Non English - £1.10
Damaged Foil Non English - £0.60