Black Whirlwind [LC5D-EN138] Ultra Rare Demon also it cannot be destroyed

also it cannot be destroyed by card effects

Set: Duel Terminal 6 Card type: Fusion/Effect Monster Rarity: Super Rare Attack: 2450 Defense: 1400 1 "Gem-Knight" monster + 1 Thunder-Type monster Must first be Fusion Summoned

Set: Shonen Jump Magazine Promos Card type: Effect Monster Rarity: Ultra Rare Attack: 1800 Defense: 300 When this card is Normal or Special Summoned: You can activate 1 of these effects

and "Cyberdark Keel" from the field

Increase the ATK of this card by 300 points for each card in your Graveyard that includes 'Elemental Hero' in its card name

Black Whirlwind [LC5D-EN138] Ultra Rare Demon also it cannot be destroyedSet: Legendary Collection 5D's Card type: Continuous Spell Rarity: Ultra Rare When a "Blackwing" monster is Normal Summoned to your field: You can add 1 "Blackwing" monster from your Deck to your hand with less ATK than that monster.