River Serpent 
Creature — Serpent
Appears in 142 of 23,404 decks (0.6%).
Appears with these commanders:
| Commander | Decks | Synergy ↓ |
|---|---|---|
| Brinelin, the Moon Kraken + Esior, Wardwing Familiar | 2 | 0.99 |
| Giant Oyster | 1 | 0.99 |
| Viconia, Drow Apostate + Sword Coast Sailor | 1 | 0.99 |
| Dromar's Attendant | 1 | 0.99 |
| Stormchaser Chimera | 4 | 0.66 |
| Sindbad | 3 | 0.49 |
| Cephalid Broker | 1 | 0.49 |
| Brinelin, the Moon Kraken + Malcolm, Keen-Eyed Navigator | 1 | 0.49 |
| Shadowstorm Vizier | 6 | 0.46 |
| Senate Guildmage | 2 | 0.39 |
| Alora, Merry Thief + Criminal Past | 3 | 0.37 |
| Slinn Voda, the Rising Deep | 7 | 0.33 |
| Dee Kay, Finder of the Lost | 3 | 0.33 |
| Mischievous Catgeist // Catlike Curiosity | 1 | 0.33 |
| Dreamscape Artist | 1 | 0.33 |
| Eddymurk Crab | 1 | 0.33 |
| Body Double | 2 | 0.28 |
| Imoen, Mystic Trickster + Criminal Past | 3 | 0.24 |
| Ghost of Ramirez DePietro + Falthis, Shadowcat Familiar | 1 | 0.24 |
| Evidence Examiner | 1 | 0.24 |
| Alora, Merry Thief + Feywild Visitor | 1 | 0.16 |
| Fleshformer | 5 | 0.15 |
| Monstrous War-Leech | 1 | 0.14 |
| Lazotep Chancellor | 23 | 0.12 |
| Aetherplasm | 2 | 0.12 |
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