At the beginning of your upkeep, you may exile Cosima. If you do, it gains "Whenever a land enters the battlefield under your control, if Cosima is exiled, you may put a voyage counter on it. If you don't, return Cosima to the battlefield with X +1/+1 counters on it and draw X cards, where X is the number of voyage counters on it."
Reverse Type:
Legendary Artifact — Vehicle
Whenever a Vehicle you control deals combat damage to a player, that player exiles that many cards from the top of their library. You may play lands from among those cards for as long as they remain exiled.
Crew 1
Near Mint - $600
Lightly Played - $500
Moderately Played - $500
Heavily Played - $400
Damaged - $300
Near Mint Spanish - $600
Lightly Played Spanish - $500
Moderately Played Spanish - $500
Heavily Played Spanish - $400
Damaged Spanish - $300
Foil Prices
Near Mint Foil - $800
Lightly Played Foil - $700
Moderately Played Foil - $600
Heavily Played Foil - $500
Damaged Foil - $400
Near Mint Foil Spanish - $800
Lightly Played Foil Spanish - $700
Moderately Played Foil Spanish - $600
Heavily Played Foil Spanish - $500
Damaged Foil Spanish - $400