Yawgmoth, the Creator

Indestructible
As long as your devotion to Phyrexia is less than ten, Yawgmoth isn't a creature.(Each Phyrexian symbol in the mana costs of permanents you control counts towards your devotion to Phyrexia.)
Pay 2 life instead of any {1} mana to cast a spell.
{p/c}{p/c}{p/c}: Put a -1/-1 counter on target creature.