Remnant Elemental

A wall that keeps a second job. The 0/4 with reach is a familiar defensive shape in red: it holds a ground column, walls fliers, and survives most burn aimed at it. What complicates the read is the landfall clause, which converts a card that normally exists to buy time into one that can end a game. Each land that enters swings the power from zero to two, so a deck built to fetch, crack, or replay lands can stack triggers and turn a stationary blocker into a real attacker for one decisive swing. The design tension is that walls are typically inert on offense: they trade nothing and threaten nothing, and their whole function is to stall. Remnant Elemental keeps the stalling but bolts an offensive axis onto the same permanent, keyed to a resource red decks deploy on curve regardless. The catch that keeps it from being a free finisher is duration: the +2/+0 lasts only until end of turn, so the aggression is spiky rather than accumulating, and the creature snaps back to a 0/4 wall by the time the opponent untaps. That toggle, static defense one turn and burst clock the next, is the entire idea. It asks a red deck to treat its land drops as combat resources rather than pure mana, without demanding any construction the deck was not already inclined toward.