Cosmium Blast 
Instant
Appears in 102 of 21,747 decks (0.5%).
Appears with these commanders:
| Commander | Decks ↓ | Synergy |
|---|---|---|
| Cori Mountain Stalwart | 1 | 0.05 |
| Jem Lightfoote, Sky Explorer | 1 | 0.04 |
| Starseer Mentor | 1 | 0.04 |
| Patched Plaything | 1 | 0.04 |
| Amber Gristle O'Maul + Veteran Soldier | 1 | 0.03 |
| Gary Clone | 1 | 0.03 |
| Necrotic Sliver | 1 | 0.02 |
| Knotvine Mystic | 1 | 0.02 |
| Norika Yamazaki, the Poet | 1 | 0.02 |
| Daxos, Blessed by the Sun | 1 | 0.02 |
| Aven Wind Guide | 1 | 0.02 |
| Cleric of Life's Bond | 1 | 0.02 |
| Bastion Protector | 1 | 0.02 |
| Tura Kennerüd, Skyknight | 1 | 0.02 |
| King of the Pride | 1 | 0.02 |
| Ajani's Pridemate | 1 | 0.02 |
| Prince Imrahil the Fair | 1 | 0.02 |
| Denethor, Ruling Steward | 1 | 0.02 |
| Ertha Jo, Frontier Mentor | 1 | 0.02 |
| Burrowguard Mentor | 1 | 0.02 |
| Psemilla, Meletian Poet | 1 | 0.02 |
| Tidus, Blitzball Star | 1 | 0.02 |
| Mentor of the Meek | 1 | 0.01 |
| Siona, Captain of the Pyleas | 1 | 0.01 |
| Watcher of the Spheres | 1 | 0.01 |
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