River Serpent 
Creature — Serpent
Appears in 168 of 27,802 decks (0.6%).
Appears with these commanders:
| Commander | Decks ↓ | Synergy |
|---|---|---|
| Azorius Guildmage | 1 | 0.07 |
| Omen Hawker | 1 | 0.07 |
| Maverick Thopterist | 1 | 0.03 |
| Worldheart Phoenix | 1 | 0.03 |
| Callaphe, Beloved of the Sea | 1 | 0.02 |
| Grixis Battlemage | 1 | 0.02 |
| Brinelin, the Moon Kraken + Gilanra, Caller of Wirewood | 1 | 0.01 |
| Paragon of the Amesha | 1 | 0.01 |
| Sedraxis Specter | 1 | 0.01 |
| Horrid Shadowspinner | 1 | 0.01 |
| Malcolm, Keen-Eyed Navigator + Breeches, Brazen Plunderer | 1 | 0.0 |
| Tatyova, Benthic Druid | 1 | 0.0 |
| Soulherder | 1 | 0.0 |
| Sultai Soothsayer | 1 | 0.0 |
| Tetsuko Umezawa, Fugitive | 1 | 0.0 |
| Raff, Weatherlight Stalwart | 1 | 0.0 |
| Rilsa Rael, Kingpin | 1 | 0.0 |
| Sphinx of the Guildpact | 1 | 0.0 |
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