Crimson Muckwader

A red two-drop that gets better only if you bend toward black, and the bend is specifically a Swamp, not a black source: the design hinges on that gap. The static buff keys off the land type, so the fastest way to switch it on is to run a basic Swamp and watch a 2/1 become a 3/2 the moment one lands. Black-producing duals that are not Swamps fuel the regeneration cost but leave the body unchanged, sharpening the line the card draws between paying for a color and paying for a land. The regeneration deepens the ask, pricing survivability in black mana on top of the red you already spent. The reward for committing to Rakdos is genuine: a 3/2 that shrugs off combat and most cheap removal becomes a clock that wants an exile or a bounce to answer cleanly. But the tax is honest. With no Swamp in play and no black mana to spend, it reverts to a 2/1 with no relevant abilities, a body that trades down to almost anything. The lizard is built to teach a deck what its colors actually are, rewarding the Swamp count you committed to and punishing the splash you only half-meant. Its identity lives entirely in that conditional: a small argument that a creature's printed stat line is sometimes the floor of what it costs to play, not the ceiling.