Sign in Blood 
Sorcery
Appears in 9,010 of 25,148 decks (35.8%).
Appears with these commanders:
| Commander | Decks ↓ | Synergy |
|---|---|---|
| Forerunner of Slaughter | 1 | -0.29 |
| Contraband Kingpin | 1 | -0.3 |
| Corpse Appraiser | 1 | -0.3 |
| Grixis Battlemage | 1 | -0.33 |
| Marsh Crocodile | 1 | -0.33 |
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