Cheapest priced copy (Duskmourn: House of Horror Commander): $1.29 at Card Kingdom, near mint, their price list as of .
Mask of Griselbrand 
Legendary Artifact — Equipment · Rare · Innistrad: Double Feature · #111
Equipped creature has flying and lifelink.
Whenever equipped creature dies, you may pay X life, where X is its power. If you do, draw X cards.
Equip {3}
Legal inCommanderPioneerModernLegacyVintage
Not legal inBrawlStandardPauper
6 printings · $1.29 to $14.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Innistrad: Double Feature | 111 | Rare | $1.49 | $14.99 |
| Duskmourn: House of Horror Commander | 145 | Rare | $1.29 | — |
| Innistrad: Midnight Hunt | 111 | Rare | $1.29 | $1.99 |
| Innistrad: Midnight Hunt | 347 | Rare | $2.49 | $2.99 |
| Innistrad: Midnight Hunt Promos | 111p | Rare | $3.49 | $2.49 |
| Innistrad: Midnight Hunt Promos | 111s | Rare | — | $4.49 |
2 rulings from Wizards of the Coast
- 24 September 2021You must pay exactly X life or nothing. You can't pay less life to draw fewer cards.
- 24 September 2021Use the equipped creature's power as it last existed on the battlefield to determine the value of X.