Tiamat (Commander) 
Tiamat is 0.1% of the Commander metagame in the last 30 days (4 of 6150 decks), with 1 top 8 finishes. Core cards: Academy Rector, Arcane Signet, Birds of Paradise.
In tournaments (leagues excluded) its decks won 20% of their 15 matches; all published decks win 26% on average, because MTGO publishes only the best results.
Official MTGO and magic.gg results and paper tournaments, data provided by TopDeck.gg, updated . How we count
4 decks
Latest top 8 list
Commander staples: the most played cards of the format
Most played cards
| Card | % of decks | Avg. copies |
|---|---|---|
| Academy Rector | 100% | 1.0 |
| Arcane Signet | 100% | 1.0 |
| Birds of Paradise | 100% | 1.0 |
| City of Brass | 100% | 1.0 |
| Command Tower | 100% | 1.0 |
| Dracogenesis | 100% | 1.0 |
| Mana Confluence | 100% | 1.0 |
| Marsh Flats | 100% | 1.0 |
| Misty Rainforest | 100% | 1.0 |
| Rhystic Study | 100% | 1.0 |
| Savannah | 100% | 1.0 |
| Sol Ring | 100% | 1.0 |
| Taiga | 100% | 1.0 |
| Terror of the Peaks | 100% | 1.0 |
| Tiamat | 100% | 1.0 |
| Tropical Island | 100% | 1.0 |
| Tundra | 100% | 1.0 |
| Underground Sea | 100% | 1.0 |
| Verdant Catacombs | 100% | 1.0 |
| Ancient Tomb | 75% | 1.0 |
| Arid Mesa | 75% | 1.0 |
| Badlands | 75% | 1.0 |
| Bayou | 75% | 1.0 |
| Bladewing the Risen | 75% | 1.0 |
| Bloodstained Mire | 75% | 1.0 |
| Chrome Mox | 75% | 1.0 |
| Crop Rotation | 75% | 1.0 |
| Deathrite Shaman | 75% | 1.0 |
| Demonic Tutor | 75% | 1.0 |
| Diabolic Intent | 75% | 1.0 |
| Eldritch Evolution | 75% | 1.0 |
| Elvish Spirit Guide | 75% | 1.0 |
| Enlightened Tutor | 75% | 1.0 |
| Esper Sentinel | 75% | 1.0 |
| Exotic Orchard | 75% | 1.0 |
| Flooded Strand | 75% | 1.0 |
| Gemstone Caverns | 75% | 1.0 |
| Gleaming Splendor | 75% | 1.0 |
| Hexing Squelcher | 75% | 1.0 |
| Hoarding Broodlord | 75% | 1.0 |
Recent decks
| Player | Event | Finish |
|---|---|---|
| Josh Hastings | Layton Gaming Monthly cEDH! |
#7 1-2 |
| Gabriele Manecchi | Fourfold League |
#19 0-4 |
| Michael Vlaicu | DERPYPALOOZA II |
#20 1-4 |
| Eduardo Rea | 2do Torneo Universes Beyond - Comunidad C3 |
#9 1-2 |