Shell of the Last Kappa [Champions of Kamigawa] Duel Overload Set: 2018 Mega-Tins Mega Pack

Set: 2018 Mega-Tins Mega Pack Card type: Effect Monster Rarity: Super Rare Attack: 1600 Defense: 1200 (Quick Effect): You can reveal this card in your hand

Set: Dark Revelation Volume 3 Card type: Continuous Trap Rarity: Rare Attack: 0 Defense: 0 As long as a monster(s) remain(s) on your side of the field

When you control no permanents with phylactery counters on them

Set: 2020 Tin of Lost Memories Card type: Effect Monster Rarity: Super Rare Attack: 1800 Defense: 1300 You can detach 1 material from an Xyz Monster you control

"Over time

Shell of the Last Kappa [Champions of Kamigawa] Duel Overload Set: 2018 Mega-Tins Mega PackSet: Champions of Kamigawa Type: Legendary Artifact Rarity: Rare Cost: {3} {3}, {T}: Exile target instant or sorcery spell that targets you. (The spell has no effect.) {3}, {T}, Sacrifice Shell of the Last Kappa: You may cast a spell from among cards exiled with Shell of the Last Kappa without paying its mana cost.