When Niv-Mizzet Reborn enters the battlefield, reveal the top ten cards of your library. For each color pair, choose a card that's exactly those colors from among them. Put the chosen cards into your hand and the rest on the bottom of your library in a random order.
NM-Mint Foil - $11.30
Lightly Played Foil - $10.80
Moderately Played Foil - $10.20
Heavily Played Foil - $9.10
Damaged Foil - $7.40
NM-Mint Foil Non English - $11.30
Lightly Played Foil Non English - $10.80
Moderately Played Foil Non English - $10.20
Heavily Played Foil Non English - $9.10
Damaged Foil Non English - $7.40