Miasmic Mummy

In Commander, Miasmic Mummy punches above its weight because multiplayer math multiplies its trigger — one cast strips three cards across the table, which is the whole reason it sees play at all. Outside Commander, it's a fringe card at best: Pauper is its most plausible competitive home, where aggressive black discard shells can use it as a budget redundancy piece alongside better one-drops, but it rarely makes those lists. In Modern, Pioneer, Legacy, and Vintage, the effect is too slow and too shallow against focused decks that reload quickly — Miasmic Mummy simply doesn't do enough in a one-on-one context to justify the slot.