Marauder, the Slayer's Demise

Double strike, haste
When Marauder, the Slayer's Demise enters the battlefield create a 3/1 red Wolf creature token
with haste.
{r}, {t}: Create a 3/1 red Wolf creature token with
haste. Sacrifice it at the beginning of the next end
step.
"You were never one of us. You were nothing but a
usurper...a false idol. My eyes have been opened.
Let me help you to see, Slayer."
— Marauder