Combos Browse all Suggest
Legality
| Format | Legality |
| 1v1 Commander | Legal |
| Archenemy | Legal |
| Arena | Legal |
| Block Constructed | Legal |
| Canadian Highlander | Legal |
| Casual | Legal |
| Commander / EDH | Legal |
| Commander: Rule 0 | Legal |
| Custom | Legal |
| Duel Commander | Legal |
| Freeform | Legal |
| Gladiator | Legal |
| Highlander | Legal |
| Historic | Legal |
| Historic Brawl | Legal |
| Legacy | Legal |
| Leviathan | Legal |
| Limited | Legal |
| Modern | Legal |
| Modern Beyond Horizons | Legal |
| Oathbreaker | Legal |
| Pauper | Legal |
| Pauper Duel Commander | Legal |
| Pauper EDH | Legal |
| Pioneer | Legal |
| Planar Constructed | Legal |
| Planechase | Legal |
| Quest Magic | Legal |
| Vanguard | Legal |
| Vintage | Legal |
Loathsome Catoblepas
Creature — Beast
2{G}: Loathsome Catoblepas must be blocked this turn if able.
When Loathsome Catoblepas dies, target creature an opponent controls gets -3/-3 until end of turn.