Neo-Spacian Aqua Dolphin [BLRR-EN049] Ultra Rare Skill You can only use this

You can only use this effect of "Shiranui Skillsaga Supremacy" once per turn

Set: Dragons of Legend: Unleashed Card type: Effect Monster Rarity: Secret Rare Attack: 2000 Defense: 2000 When this card is Tribute Summoned: You can change all monsters on the field to face-up Attack Position

Set: Speed Duel: Arena of Lost Souls Card type: Effect Monster Rarity: Common Attack: 1200 Defense: 800 You can Tribute this face-up card

Set: Spirit Warriors Card type: Effect Monster Rarity: Secret Rare Attack: 0 Defense: 2200 When this card is Normal Summoned: You can place 1 "The Weather" Spell/Trap from your Deck face-up in your Spell & Trap Zone

also its effect are negated

Neo-Spacian Aqua Dolphin [BLRR-EN049] Ultra Rare Skill You can only use thisSet: Battles of Legend: Relentless Revenge Card type: Effect Monster Rarity: Ultra Rare Attack: 600 Defense: 800 Once per turn: You can discard 1 card; look at your opponent's hand and choose 1 Monster Card in it. If you control a monster with ATK greater than or equal to the ATK of the chosen card, destroy the chosen card and inflict 500 damage to your opponent. Otherwise, take 500 damage.