Paragon of Chaotic Onslaught

Enchant creatures you control.
Those creatures gain deathtouch, haste, and
menace. Damage can't be prevented and all
players can't gain life. At the beginning of
each player's upkeep, players lose half
their life, rounded up.
Volatile (Place 3 Volatile counters on this creature.
At the end of each of your turns, subtract 1 from the counter. When the counter reaches 0, destroy all
creatures on the battlefield.)