Chisei, Heart of Oceans

Flying At the beginning of your upkeep, sacrifice Chisei unless you remove a counter from a permanent you control.
How Chisei decks play in EDH
Chisei, Heart of Oceans is a mono-blue commander costing 2UU, and its legendary creature - spirit line shapes the whole deck around it. Sacrifice is built into the card, which pairs it with cheap recursive creatures and payoffs that trigger when something dies. Built-in evasion means damage gets through reliably, so effects that scale that damage are worth more than extra bodies. The cards below are the ones Chisei, Heart of Oceans decks actually play most often, grouped by the job they do.
Most-played cards
20 cards · about $30.13Play rates from EDHREC. Prices from Scryfall, refreshed daily.
Card draw (5)
Removal (1)
Counterspells (1)
Creatures (4)
Synergy & payoffs (8)
Lands (1)
Build the full 100
Grimoire generates a complete, Commander-legal Chisei, Heart of Oceans 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 ChiseiChisei deck questions
What colours can I use in a Chisei, Heart of Oceans deck?
Chisei, Heart of Oceans 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 Chisei, Heart of Oceans?
The cards played most often in Chisei, Heart of Oceans decks include Old Fat Spider Can't See Me, Roll-Roll-Roll-Roll, Jace's Machinations. 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 Chisei, Heart of Oceans deck cost?
The 20 most-played cards shown above come to roughly $30.13 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 Chisei, Heart of Oceans 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.



















