The Faceless One

Hexproof
When The Faceless One enters the battlefield, put X +1/+1 counters split between 2 creatures, and the create amass X Faceless.
{t}{b} sacrifice a creature. Amass Faceless equal to that creatures power or toughness
Overload: {t}{4}{b}; change "or" to "and" (you may pay this cards overload cost instead of paying for the ability)
"Kolt in pursuit of knowledge, summoned The Faceless One'' -Myth of The Face Stealer