Mox strategy
Seal Away is a cheap, instant-speed white removal enchantment that excels at punishing tapped attackers and protecting you early while leaving up mana for interaction. Its best use is in control, tempo, and flash-friendly decks that can reliably force or wait for creatures to tap, since it only hits tapped creatures and can be undone if the enchantment is removed.
It pairs especially well with cards that tap opposing creatures, force attacks, or create combat stalls, and with enchantment synergies like constellation, enchantress, and blink/protection effects that care about enchantments entering or staying in play. It also works nicely alongside sweepers and other removal to clear the way for a clean exile on a key threat.
Mechanically, it supports flash interaction, conditional exile removal, and enchantment-based value. Main caution: it’s weaker against vigilance, ETB creatures you want gone immediately, and decks with strong enchantment removal.
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