Hell Mongrel

Creature — Nightmare Dog • Mana cost: {3}{B} • Modern Horizons 2 • Common

Discard a card: This creature gets +1/+1 until end of turn.
Madness {2}{B} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

It feeds on shadows, fear, and blood.

Illustrated by Robbie Trevino.