After the Struggle [LOD-EN086] Rare Advent Calendar 2018 you can discard 1 DARK

you can discard 1 DARK monster to send 1 DARK monster from your Deck to your Graveyard

Set: Black & White: Black Star Promos Type: Psychic Rarity: Promo Retreat cost: Colorless

Set: Shonen Jump Magazine Promos Card type: Effect Monster Rarity: Ultra Rare Attack: 4000 Defense: 4000 This card cannot be Special Summoned

also it cannot be destroyed by your opponent's card effects

Set: Ancient Prophecy: Special Edition Card type: Effect Monster Rarity: Super Rare Attack: 1800 Defense: 1600 During your End Phase

After the Struggle [LOD-EN086] Rare Advent Calendar 2018 you can discard 1 DARKSet: Legacy of Darkness Card type: Normal Spell Rarity: Rare This card can only be activated during Main Phase 1. All monsters on both sides of the field that have been involved in damage calculation are destroyed during the End Step of the turn.