Echoing Calm

In Commander, Echoing Calm is a fringe inclusion — two mana for enchantment removal is acceptable, but the echo clause only matters when an opponent leans on a single enchantment engine producing named copies, which is situational enough to push it out of most lists in favor of flexible answers. Pauper is where Echoing Calm earns real respect, since the format runs enchantment-based removal like Utopia Sprawl and Abundant Growth in multiples, and wiping every copy at instant speed for two mana is genuine card advantage. In Legacy and Vintage it's too slow and too narrow to matter. Oathbreaker follows the same logic as Commander — playable in a targeted meta, cuttable everywhere else.