Academy Ruins [Time Spiral] 65 then you can Special Summon

then you can Special Summon 1 "Flower Cardian" monster from your hand

"All memory of your existence will be wiped from reality

Set: Speed Duel GX: Duel Academy Box Card type: Effect Monster Rarity: Secret Rare Attack: 300 Defense: 200 When an opponent's monster declares an attack: You can send this card from your hand to the GY

Set: Explorers of Ixalan Type: Land Rarity: Uncommon Jungle Shrine enters the battlefield tapped

Special Summon 1 "Madolche" monster from your Deck in Attack Position or face-down Defense Position

Academy Ruins [Time Spiral] 65 then you can Special SummonSet: Time Spiral Type: Legendary Land Rarity: Rare {T}: Add {C}. {1}{U}, {T}: Put target artifact card from your graveyard on top of your library. Its secrets once wrought the greatest artifice ever known. Now crabs loot the rubble to decorate their shells.