| Name | Edition | Colour | Type | Cost | Power | Rarity | $ |
|---|---|---|---|---|---|---|---|
| Omega Myr | MI | Artifact | Artifact Creature - Myr | 2 | 1/2 | Common | 0.15 |
| Omen | PO | Blue | Sorcery | 1U | Common | 0.25 | |
| Omen Machine | NP | Unknown | Artifact | 6 | Rare | 0.58 | |
| Omen of Fire | AL | Red | Instant | 3RR | Rare | 0.73 | |
| Omnath, Locus of Mana | WW | Green | Legendary Creature - Elemental | 2G | 1/1 | Mythic | 4.44 |
| Omnath, Locus of Mana | FVLE | Green | Legendary Creature - Elemental | 2G | 1/1 | Mythic | |
| Omnibian | DI | Multi | Creature - Frog | 1GGU | 3/3 | Rare | 0.84 |