Aluuri, Plot Seeker

Deathtouch, Swampwalk
Aluuri, Plot Seeker can't be countered.
As an additional cost to cast this spell, sacrifice X creatures. Aluuri, Plot Seeker enters the
battlefield with X +1/+1 counters on it.
All night, he looks for empty burial plots, his thirst for
power grows with every friend he meets.