Cheapest priced copy (Warhammer 40,000 Commander): $6.49 at Card Kingdom, near mint, their price list as of .
Illuminor Szeras 
Legendary Artifact Creature — Necron · 3/3 · Rare · Warhammer 40,000 Commander · #37
Secrets of the Soul — {T}, Sacrifice another creature: Add an amount of {B} equal to the sacrificed creature's mana value.
Legal inCommanderLegacyVintage
Not legal inBrawlStandardPioneerModernPauper
2 printings · $6.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Warhammer 40,000 Commander | 37 | Rare | $6.49 | — |
| Warhammer 40,000 Commander | 37★ | Rare | — | — |
One ruling from Wizards of the Coast
- 7 October 2022Use the mana value of the sacrificed creature as it last existed on the battlefield to determine the amount of {B} to add.