Rainbow Neos [PTDN-EN044] Secret Rare OTS Tournament Pack 8 You can remove from play

You can remove from play all other DARK monsters you control and from your Graveyard to have this card gain 500 ATK for each card removed

it gains 1000 ATK and the opponent's monster loses 500 ATK

you can Tribute 1 other Fish-Type monster to negate the effect and destroy that card

then shuffle cards your opponent controls into the Deck

Rainbow Neos [PTDN-EN044] Secret Rare OTS Tournament Pack 8 You can remove from playSet: Phantom Darkness Card type: Fusion Effect Monster Rarity: Secret Rare Attack: 4500 Defense: 3000 "Elemental Hero Neos" + "Rainbow Dragon" or "Rainbow Dark Dragon" This card cannot be Special Summoned, except by Fusion Summon with the above Fusion Material Monsters. Once per turn, you can activate 1 of the following effects: Send 1 monster you control to the Graveyard to return all monsters your opponent controls to the Deck. Send 1 Spell or Trap