Official Riftbound ruling

What about casting Stupefy while I have an empowered Mel, Newly Awakened?

The chosen unit will be given -2 MightMight, to a minimum of 1 MightMight. If it was 2 MightMight, it will become 1 MightMight.

In the case of Stupefy, Mel, Newly Awakened replaces the event of Stupefy giving -1 MightMight with it giving -2 MightMight instead. However, a replacement effect that replaces an event modified by the game effect that generated that event will inherit any of those modifications. In this case, Stupefy modifies the “give -1 MightMight” game action and thus event with “to a minimum of 1 MightMight.” The replaced event will inherit the same modification.

Riot's question and answer, word for word, from theVendetta Rules FAQ and ClarificationsCore Rules 375 (as numbered in August 2026)

The cards

  • Stupefy
    Stupefy

    Spell

    Reaction (Play any time, even before spells and abilities resolve.)

    Give a unit -1 MightMight this turn, to a minimum of 1 MightMight. Draw 1.

  • Mel, Newly Awakened
    Mel, Newly Awakened

    Unit

    When you play me, draw 1.

    Empower 3 Energy3 Energy (3 Energy3 Energy: Empower me. Use only if not Empowered.)

    Empowered Your spells and abilities can't be countered. If a spell or ability you control would give -MightMight to a unit it chooses, it gives an additional -1 MightMight.

More rulings on these cards