Almarax, Adeptus Defiler

First strike, Lifelink, Shroud
When Almarax, Adeptus Defiler enters the battlefield create X 1/1 Skull tokens with sacrifice the creature: put a Mechanicus counter on target creature or planeswalker, when target permanent leaves the battlefield create a token copy."
{b/r}{t} sacrifice a creature: Create X 1/1 colourless skull tokens where X is sacrificed creatures' toughness.
{r} Sacrifice X Skull tokens : Destroy target creature of power X or less