Delta The Magnet Warrior [RATE-EN097] Super Rare P-047 Set: X Record Pre-Release Promos

Set: X Record Pre-Release Promos Card type: Tamer Rarity: Rare Play Cost: 4 [Start of Your Turn] If you have 2 memory or less

Set: Next Adventure Pre-Release Cards Card type: Digimon Rarity: Uncommon Digi type: Beast Dragon/X-Antibody Play Cost: 8 Form: Ultimate Attribute: Data Digivolve Cost: 3 Digivolve Cost Level: 4 [When Digivolving] You may place 1 black card with [X-Antibody] in its traits from your hand at the bottom of this Digimon's digivolution cards to prevent effects from deleting it or reducing its DP until the end of your opponent's next turn

and those monsters cannot be destroyed by battle

and Xyz Summoning tactics

Delta The Magnet Warrior [RATE-EN097] Super Rare P-047 Set: X Record Pre-Release PromosSet: Raging Tempest Card type: Effect Monster Rarity: Super Rare Attack: 1600 Defense: 1400 If this card is Normal or Special Summoned: You can send 1 Level 4 or lower "Magnet Warrior" monster from your Deck to the Graveyard. If this card is sent to the Graveyard: You can banish 3 Level 4 or lower "Magnet Warrior" monsters from your Graveyard, except "Delta The Magnet Warrior"; Special Summon 1 "Valkyrion the Magna Warrior" from your hand or Deck,