Finch, Wayward Son

At the beginning of your upkeep, put a +1/+1 counter
on Finch. Then, he deals damage to himself equal to
the number of +1/+1 counters on him.

Whenever Finch is dealt damage, he gets +X/+0
until end of turn, where X is the damage dealt.

Choose a background.

A child alone at the edge of the universe.