Marauder of Souls

Whenever Marauder of Souls attacks, it gets
+X/+0 until end of turn and target creature gets
-0/-X until end of turn where X is 20 minus
your life total.
Skip your next turn: Marauder of Souls gains lifelink until end of turn. Sacrifice Marauder of
Souls at the beginning of your next end step.
A demon's rage is stronger than death