Pidgeot (29/102) [HeartGold & SoulSilver: Triumphant] Penguin_10-19-2022 they have only until Halloween

they have only until Halloween night to break the curse

The Amazing Defenders booster set contains 60 cards:

destroy Crown of Dichotomy: Put target Runeblade attack action card and target Runeblade 'non-attack' action card from your graveyard on top of your deck in any order

On the night Kaoru just so happens to find himself standing in front of a tunnel that looks suspiciously like the one the rumor describes

the Witch of Solitary Venom sets her sights on the pair

Pidgeot (29/102) [HeartGold & SoulSilver: Triumphant] Penguin_10-19-2022 they have only until HalloweenSet: HeartGold & SoulSilver: Triumphant Type: Colorless Rarity: Rare Retreat cost: 0