Omnath, Locus of Mana
You don't lose unspent green mana as steps and phases end. Omnath gets +1/+1 for each unspent green mana you have.
How Omnath decks play in EDH
Omnath, Locus of Mana is a mono-green commander costing 2G, and its legendary creature - elemental line shapes the whole deck around it. Its ability is narrow enough that the deck is usually built to protect it and repeat the effect, rather than to go wide. The cards below are the ones Omnath, Locus of Mana decks actually play most often, grouped by the job they do.
Most-played cards
20 cards · about $139Play rates from EDHREC. Prices from Scryfall, refreshed daily.
Ramp (5)
Card draw (1)
Removal (1)
Creatures (5)
Synergy & payoffs (8)
Build the full 100
Grimoire generates a complete, Commander-legal Omnath, Locus of Mana 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 OmnathOmnath deck questions
What colours can I use in a Omnath, Locus of Mana deck?
Omnath, Locus of Mana has a mono-green colour identity, so every card in the deck must be green or colourless. That includes mana symbols in rules text, not just casting cost.
What are the best cards for Omnath, Locus of Mana?
The cards played most often in Omnath, Locus of Mana decks include Hexhaven Invigorator, Radagast of Rhosgobel, Omnath, Locus of the Void. 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 Omnath, Locus of Mana deck cost?
The 20 most-played cards shown above come to roughly $139 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 Omnath, Locus of Mana 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.