River Boa 
Creature — Snake
Appears in 62 of 22,060 decks (0.3%).
Appears with these commanders:
| Commander | Decks ↓ | Synergy |
|---|---|---|
| Sosuke, Son of Seshiro | 1 | 0.14 |
| Killer Bees | 1 | 0.14 |
| Drumhunter | 1 | 0.12 |
| Amber Gristle O'Maul + Cloakwood Hermit | 1 | 0.11 |
| Wilson, Refined Grizzly + Feywild Visitor | 1 | 0.11 |
| Peregrin Took | 1 | 0.04 |
| Drove of Elves | 1 | 0.03 |
| Bloodbraid Elf | 1 | 0.03 |
| Shanna, Sisay's Legacy | 1 | 0.02 |
| Lorescale Coatl | 1 | 0.02 |
| Loyal Guardian | 1 | 0.02 |
| Trygon Prime | 1 | 0.02 |
| Gilder Bairn | 1 | 0.01 |
| Siona, Captain of the Pyleas | 1 | 0.01 |
| General Marhault Elsdragon | 1 | 0.01 |
| Wilson, Refined Grizzly + Agent of the Shadow Thieves | 1 | 0.0 |
| Tatyova, Benthic Druid | 1 | 0.0 |
| Grumgully, the Generous | 1 | 0.0 |
| Sphinx of the Guildpact | 1 | 0.0 |
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