Black Dragon Collapserpent [BLHR-EN077] Ultra Rare 64 it gains 500 ATK during

it gains 500 ATK during the Damage Step only

you can summon this card without offering any Tributes

The effect of "Rescue Rabbit" can only be activated once per turn

Set: Soul of the Duelist Card type: Effect Monster Rarity: Ultimate Rare Attack: 900 If this card attacks a face-down Defense Position monster

if your opponent adds a card(s) from their Deck to their hand (except during the Draw Phase): You can send this card from your hand to the Graveyard

Black Dragon Collapserpent [BLHR-EN077] Ultra Rare 64 it gains 500 ATK duringSet: Battles of Legend: Hero's Revenge Card type: Effect Monster Rarity: Ultra Rare Attack: 1800 Defense: 1700 Cannot be Normal Summoned Set. Must be Special Summoned (from your hand) by banishing 1 LIGHT monster from your Graveyard, and cannot be Special Summoned by other ways. You can only Special Summon "Black Dragon Collapserpent" once per turn this way. If this card is sent from the field to the Graveyard: You can add 1 "White Dragon