Choso, Eldest Death Painting

Menace, Wither (This creature deals damage to creatures in the form of -1/-1 counters.)

Blood Manipulation —Whenever Choso, Eldest Death Painting enters the battlefield or attacks, create a Blood Token

Convergence —Activated abilities of Blood tokens
you control cost {1} less to activate.

Piercing Blood —Whenever you discard a card, Choso, Eldest Death Painting deals damage equal to the discarded card's mana value to any target.