Cheapest priced copy (Duskmourn: House of Horror): $0.49 at Card Kingdom, near mint, their price list as of .
Marina Vendrell's Grimoire 
Legendary Artifact — Book · Rare · Duskmourn: House of Horror · #64
When Marina Vendrell's Grimoire enters, if you cast it, draw five cards.
You have no maximum hand size and don't lose the game for having 0 or less life.
Whenever you gain life, draw that many cards.
Whenever you lose life, discard that many cards. Then if you have no cards in hand, you lose the game.
Legal inCommanderBrawlStandardPioneerModernLegacyVintage
Not legal inPauper
4 printings · $0.49 to $1.29 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Duskmourn: House of Horror | 64 | Rare | $0.49 | $0.49 |
| Duskmourn: House of Horror | 308 | Rare | $0.49 | $0.99 |
| Duskmourn: House of Horror Promos | 64p | Rare | $0.49 | $0.79 |
| Duskmourn: House of Horror Promos | 64s | Rare | — | $1.29 |
One ruling from Wizards of the Coast
- 20 September 2024You have no maximum hand size regardless of what your life total is.