Nobleman of Crossout (Blue) [DL14-EN015] Rare Secrets of Eternity this card gains ATK equal

this card gains ATK equal to the difference

Set: Champion Pack 3 Card type: Effect Monster Rarity: Super Rare Attack: 1500 Defense: 600 Discard 1 card from your hand

Set: Legendary Duelists: Ancient Millennium Card type: Fusion/Effect Monster Rarity: Super Rare Attack: 3500 Defense: 3000 "VWXYZ-Dragon Catapult Cannon" + "Armed Dragon LV7"

GX Tag Force Evolution Promo Card type: Trap Rarity: Super Rare When your opponent Summons a monster(s)

Set: HeartGold & SoulSilver: Undaunted Type: Darkness Rarity: Rare Retreat cost: Colorless

Nobleman of Crossout (Blue) [DL14-EN015] Rare Secrets of Eternity this card gains ATK equalSet: Duelist League Promo Card type: Spell Card Rarity: Rare Target 1 face down monster on the field; destroy that target, and if you do, banish it instead of sending it to the Graveyard, then, if it was a Flip Effect Monster, both players reveal their Main Decks, and banish all cards with that monster's name from both Decks.