Ylissia's Tome of Archives

{x}{w}{r}{u}{t}: Exile target card from your
graveyard with mana value X with a encase
counter, but with a different card type other
than thats already exiled with an encase counter.
Delirium — Ylissia's Tome of Archives has "{x}{t}: Copy target card with an encase counter
in exile with the mana value X." as long there
are four or more card types in the graveyard.