Vision Of A Cataclysm

Burden 3 (This enters the battlefield with 4 burden counters on it. at the beginning of each upkeep, remove
a burden counter from it. Then, if it has no burden counters on it, sacrifice it.)
Whenever you remove a burden counter
from Vision Of A Cataclysm, sacrifice a creature.
When the last burden counter is removed from
Vision Of A Cataclysm, shuffle your graveyard
into your library, then cascade.