Possessed Barbarian

First strike Threshold — As long as there are seven or more cards in your graveyard, this creature gets +1/+1, is black, and has "{2}{B}, {T}: Destroy target red creature."

From Magic: The Gathering.

Open the interactive version on https://mythscribe.cloud/app/tcg/cards/cms6obhlq7t21pb1h861f6xqu.