Cheapest priced copy (The List): $0.39 at Card Kingdom, near mint, their price list as of .
Promise of Bunrei 
Enchantment · Rare · Saviors of Kamigawa · #24
When a creature you control dies, sacrifice this enchantment. If you do, create four 1/1 colorless Spirit creature tokens.
Legal inCommanderModernLegacyVintage
Not legal inBrawlStandardPioneerPauper
4 printings · $0.39 to $6.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Masters 25 | 30 | Uncommon | $0.49Out of stock | $1.99 |
| The List | A25-30 | Uncommon | $0.39 | — |
| Saviors of Kamigawa | 24 | Rare | $0.79 | $6.99 |
| Crimson Vow Commander | 96 | Rare | $0.49 | — |
One ruling from Wizards of the Coast
- 16 March 2018Promise of Bunrei's ability will trigger multiple times if multiple creatures die at once, but it will only be sacrificed once. You'll get only four Spirit tokens.