Angra Mainyu

Shroud, Shadow (This creature can block or be
blocked by only creatures with shadow.)
When Angra Mainyu dies, exile it, it deals 1 damage
to each player, then return it to the battlefield
transformed at the beginning of your next upkeep.
Verg Avesta - {b}{b}: When Angra Mainyu deals
combat damage to a player this turn, put a -1/-1
counter on each creature that player controls and
put a -1/-1 counter on Angra Mainyu.