Krathlgn Who Sleeps

Indestructible
Slumbering 5
When Krathlgn Who Sleeps enters the battlefield
or attacks, mill 5
Creature cards in your graveyard that are Horrors,
Krakens, Leviathans, or Octopuses have Escape.
Their Escape cost is equal to their mana cost plus
"Exile three other cards from your graveyard."