Pasanta, The Black Robe

Partners with Verdugo, The Red Hood
Reach, menace, infect
All mutants gain a +1/+1 for each commander
on the battlefield.
{b}{b}{b}: Sacrifice 3 mutant creatures, then all
other creatures you control gain +X/+X where X
is the total mana cost of those sacrificed creatures
minus the mana cost of Pasanta, The Black Robe
until end of turn.