Vergil, Demon Forme

Haste
When Vergil attacks, put 2 Slice counters on
up to 2 target creatures.
At the beginning of each end step, Remove 1 Slice counter from each creature. When the
last counter is removed this way, Vergil deals
damage equal to his power to those creatures.
At the beginning of your upkeep, transform Vergil.
Vergil cannot transform again this turn.