Ruthless Disposal

The -13/-13 is not flavor; it is a threshold. Toughness-reduction removal usually stops short of the biggest bodies a deck can field, but a thirteen-point drop clears past almost anything, and it does so to two targets at once, walking straight past indestructible on the way. That reach is what the cost line buys. You pay five mana, discard a card, and sacrifice a creature, all to kill two of the opponent's. That sacrifice is the catch: spending a body to kill bodies makes this a two-for-one only on paper. To come out ahead on material you need fodder that already wanted to die, a token to feed it, or a creature whose death pays you back. Outside that, you are trading three of your resources for two of theirs and calling it removal. No instant-speed ambush softens the deal either; as a sorcery it cannot answer an attack or a flashed-in threat. What you do get is toughness reach that damage-based sweepers cannot match. It is not catch-all removal, though: "two target creatures" means hexproof locks it out, and the spell wants two legal targets on cast (if one target becomes illegal before resolution, the survivor still eats the -13/-13). This is removal for a deck that treats its own creatures as ammunition, where the additional cost reads less as a tax than as an on-ramp for the engine already running underneath it.