during that damage calculation only
the ATK/DEF of all face-up monsters your opponent controls become half their current ATK/DEF (even if this card leaves the field)
based on the number of Normal Monsters with different names in your GY (skip over any that do not apply)
Once per turn: You can activate 1 of these effects (but you can only use each effect of "Eternal Favorite" once per turn)
You can only use this effect of "Melffy Staring Contest" once per turn
MP25-EN402 * Dipsea Fiend * Common * 2025 Mega-Pack MP24-EN335 during that damage calculation onlyEfecto: You can discard 1 card, then declare 1 Attribute, except WATER; Special Summon this card from your hand to either field, then this card becomes that Attribute (until the end of this turn), then if you Special Summoned this card to your opponent's field, you can Special Summon 1 Level 4 or lower Fiend monster with an original Attribute other than the declared one, from your hand or GY to your field, also for the rest of this turn, you cannot