Cosmium Blast 
Instant
Appears in 54 of 14,006 decks (0.4%).
Appears with these commanders:
| Commander | Decks | Synergy ↓ |
|---|---|---|
| Alharu, Solemn Ritualist | 1 | 1.0 |
| Stormwild Capridor | 8 | 0.66 |
| Prava of the Steel Legion + Keleth, Sunmane Familiar | 1 | 0.5 |
| Sunrise Cavalier | 1 | 0.25 |
| Ondu Knotmaster // Throw a Line | 1 | 0.16 |
| Seedglaive Mentor | 1 | 0.14 |
| Loyal Unicorn | 1 | 0.1 |
| Gary Clone | 1 | 0.07 |
| Amber Gristle O'Maul + Veteran Soldier | 1 | 0.06 |
| Wilson, Refined Grizzly + Veteran Soldier | 1 | 0.06 |
| Lulu, Loyal Hollyphant + Guild Artisan | 1 | 0.05 |
| Wispdrinker Vampire | 2 | 0.04 |
| Cleric of Life's Bond | 1 | 0.04 |
| Bastion Protector | 1 | 0.04 |
| Aven Wind Guide | 1 | 0.03 |
| Ajani's Pridemate | 1 | 0.03 |
| Prince Imrahil the Fair | 1 | 0.03 |
| Denethor, Ruling Steward | 1 | 0.03 |
| Craig Boone, Novac Guard | 1 | 0.03 |
| Kutzil, Malamet Exemplar | 6 | 0.02 |
| Kemba, Kha Regent | 2 | 0.02 |
| Necrotic Sliver | 1 | 0.02 |
| Tura Kennerüd, Skyknight | 1 | 0.02 |
| Cephalopod Sentry | 1 | 0.02 |
| Botanical Brawler | 1 | 0.02 |
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