Case of the Uneaten Feast is a rare Enchantment — Case card from Magic: The Gathering (Murders at Karlov Manor Promos, PMKM).
Rare
Murders at Karlov Manor Promos (PMKM)
{W}
Mana Value
1
Colors
W
Card Text
Whenever a creature you control enters, you gain 1 life.
To solve — You've gained 5 or more life this turn. (If unsolved, solve at the beginning of your end step.)
Solved — Sacrifice this Case: Creature cards in your graveyard gain "You may cast this card from your graveyard" until end of turn.