Cosima, God of the Voyage // The Omenkeel
At the beginning of your upkeep, you may exile Cosima. If you do, it gains "Whenever a land you control enters, 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." // 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
How Cosima decks play in EDH
Cosima, God of the Voyage // The Omenkeel is a mono-blue commander, and its legendary creature - god // legendary artifact - vehicle line shapes the whole deck around it. It cares about +1/+1 counters, so counter-doubling effects and creatures that grow on their own carry the deck. The payoff is combat damage, so evasion and extra-combat effects matter more than raw power. The cards below are the ones Cosima, God of the Voyage // The Omenkeel decks actually play most often, grouped by the job they do.
Most-played cards
20 cards · about $32.05Play rates from EDHREC. Prices from Scryfall, refreshed daily.
Ramp (1)
Card draw (3)
Removal (1)
Counterspells (1)
Creatures (6)
Synergy & payoffs (8)
Build the full 100
Grimoire generates a complete, Commander-legal Cosima, God of the Voyage // The Omenkeel decklist with a written strategy, a full mana base and live prices — from the whole card pool, or only from cards you already own.
Start with CosimaCosima deck questions
What colours can I use in a Cosima, God of the Voyage // The Omenkeel deck?
Cosima, God of the Voyage // The Omenkeel has a mono-blue colour identity, so every card in the deck must be blue or colourless. That includes mana symbols in rules text, not just casting cost.
What are the best cards for Cosima, God of the Voyage // The Omenkeel?
The cards played most often in Cosima, God of the Voyage // The Omenkeel decks include Elven Raft-Steerer, Gandalf, Shadow's Foe, Great Gilded Boat. The full list of staples above is grouped by the job each card does, so you can see the deck's skeleton rather than just a pile of names.
How much does a Cosima, God of the Voyage // The Omenkeel deck cost?
The 20 most-played cards shown above come to roughly $32.05 at current market prices. A complete 100-card build costs more, and Grimoire can generate a budget version instead if you set a price ceiling.
Can I build a Cosima, God of the Voyage // The Omenkeel deck from cards I already own?
Yes. Import your collection into Grimoire and choose "my cards" when you build. The generator will only use cards you actually own, and the Missing Cards page shows what you would need to buy to finish any list.