Relic Retriever

The trigger reads narrowly but fires on almost anything a graveyard-hungry red deck already wants to do: a flashback cast, an escape payment, a delve creature eating its own fuel, a card shuffled back into your library, even an opponent's exile effect that pulls from your yard. Any card leaving your graveyard for any reason once per turn tips over the end-step check, and the reward is a Treasure, which folds neatly back into fixing and ramp. The design coheres because of where the trigger lives. It sits on the end step rather than the graveyard-departure event itself, so it does not care how the card left or how many left: one is enough, and the token arrives after combat and after your main phases, when you have already spent the turn churning. The body is built to keep pace with that churn rather than sit back and count triggers: a 2/1 with first strike attacks into most early boards profitably, applying pressure while the deck does its ordinary graveyard maintenance in the background. That pairing (aggressive front end, delayed value engine on the back end) is the tension the card resolves. It rewards a deck that treats its graveyard as a working resource rather than a passive pile, converting the routine upkeep of that engine into color-fixing artifacts that keep coming whether or not the creature ever connects in combat.