Galrog the Cultist devourer

This card can not be summoned unless you have three doom counters on any one permanent. sacrifice that permanent as an additional cost to summon this card.
0 summon two 0/1 cultist tokens each with 1 doom counter on them
+1 remove three doom counters from anywhere if you can, draw a card then scry 1
-3 discard two cards from your hand, if you do, double the amount of 0/1 cultist tokens you control then give them all +1 doom counters
-8 sacrifice every permanent you control, then deal damage e