Combos Browse all Suggest
Legality
| Format | Legality |
| 1v1 Commander | Legal |
| Alchemy | Legal |
| Arena | Legal |
| Block Constructed | Legal |
| Brawl | Legal |
| Canadian Highlander | Legal |
| Casual | Legal |
| Commander / EDH | Legal |
| Commander: Rule 0 | Legal |
| Custom | Legal |
| Duel Commander | Legal |
| Gladiator | Legal |
| Highlander | Legal |
| Historic | Legal |
| Legacy | Legal |
| Leviathan | Legal |
| Limited | Legal |
| Modern | Legal |
| Oathbreaker | Legal |
| Pauper | Legal |
| Pauper EDH | Legal |
| Pioneer | Legal |
| Pre-release | Legal |
| Standard | Legal |
| Tiny Leaders | Legal |
| Vintage | Legal |
Cosmium Blast
Instant
Cosmium Blast deals 4 damage to target attacking or blocking creature.
