Cheapest priced copy (Secrets of Strixhaven Mystical Archive): $0.35 at Card Kingdom, near mint, their price list as of .
Duty Beyond Death 
Instant · Uncommon · Tarkir: Dragonstorm · #10
As an additional cost to cast this spell, sacrifice a creature.
Creatures you control gain indestructible until end of turn. Put a +1/+1 counter on each creature you control. (Damage and effects that say "destroy" don't destroy those creatures.)
Legal inCommanderBrawlStandardPioneerModernLegacyVintage
Not legal inPauper
5 printings · $0.35 to $4.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Secret Lair Drop | 2387 | Rare | $2.99 | $3.99Out of stock |
| Secrets of Strixhaven Mystical Archive | 4 | Uncommon | $0.35 | $0.49 |
| Secrets of Strixhaven Mystical Archive | 69 | Uncommon | $0.35 | — |
| Secrets of Strixhaven Mystical Archive | 134 | Uncommon | — | $4.99 |
| Tarkir: Dragonstorm | 10 | Uncommon | $0.35 | $0.49 |