Avaricia, 5th Pit Lord

Flying, double strike

Greed — Sacrifice a creature: Search your library
for an artifact card, reveal it, put it into your hand,
then shuffle. Create a treasure token.

Avaricia, 5th Pit Lord gets +1/+1 for each treasure token you control. Whenever a treasure token you control leaves the battlefield, Avaricia, 5th Pit Lord deals 5 damage to you.