Mischief of the Time Goddess [SHVA-EN007] Secret Rare Ritual/Effect Monster it gains 1000 ATK/DEF until

it gains 1000 ATK/DEF until the end of this turn

When a card or effect is activated that targets a card on the field (Quick Effect): You can discard 1 card

Unleash a new "Forbidden" Quick-Play Spell that can negate the effects of and halve the ATK of an entire field's worth of monsters or a Normal Spell that lets you retaliate against your opponent's disruptive monster effects by choosing from the effects of Pot of Greed

Set: Structure Deck: Powercode Link Card type: Counter Trap Rarity: Common When a monster effect is activated in the hand or GY: Negate the activation

Mischief of the Time Goddess [SHVA-EN007] Secret Rare Ritual/Effect Monster it gains 1000 ATK/DEF untilSet: Shadows in Valhalla Card type: Quick Play Spell Rarity: Secret Rare Neither player can activate cards or effects in response to this card's activation. Cannot be activated as Chain Link 2 or higher. At the end of your Battle Phase, if all monsters you control are Valkyrie monsters (min. 1): Send this card to the GY, also, immediately after this effect resolves, skip to the start of the Battle Phase of your next turn. If you do, you cannot