River Heralds' Boon 
Instant
Appears in 33 of 17,694 decks (0.2%).
Appears with these commanders:
| Commander | Decks | Synergy ↓ |
|---|---|---|
| Merfolk Mistbinder | 16 | 0.61 |
| Congregation Gryff | 1 | 0.5 |
| Shapers of Nature | 2 | 0.33 |
| Nicanzil, Current Conductor | 2 | 0.18 |
| Merfolk Skydiver | 1 | 0.06 |
| Herd Baloth | 3 | 0.04 |
| Zameck Guildmage | 2 | 0.04 |
| Mowu, Loyal Companion | 2 | 0.04 |
| Scurry Oak | 1 | 0.03 |
| Tatyova, Steward of Tides | 1 | 0.01 |
| Hamza, Guardian of Arashin | 1 | 0.0 |
| Hallar, the Firefletcher | 1 | 0.0 |
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