Lorgar Aurelian

Whenever you sacrifice a creature, you gain an experience counter. Lorgar's abilities cost {1} less for each experience counter you have.

{10}{r}: Creatures you control gain +1/+1 until end of turn.

{10}{g}: Creatures you control gain Infect until end of turn.

{10}{b}: Goad all creatures target opponent controls.

{10}{u}: Scry X where X is the amount of experience counters you have.