Mermail Abyssteus [CBLZ-EN083] Ultimate Rare Boujack look at your opponent's Extra

look at your opponent's Extra Deck and banish 1 monster from it

then target 1 Effect Monster your opponent controls

2 Kraul Harpooner

Set: Dark Revelation Volume 4 Card type: Effect Monster Rarity: Super Rare Attack: 1600 Defense: 1000 When this card destroys an opponent's monster by battle and sends it to the Graveyard

its original ATK is halved until the end of the Damage Step

Mermail Abyssteus [CBLZ-EN083] Ultimate Rare Boujack look at your opponent's ExtraSet: Cosmo Blazer Card type: Effect Monster Rarity: Ultimate Rare Attack: 1700 Defense: 2400 You can discard 1 other WATER monster to the Graveyard; Special Summon this card from your hand. When you do: Add 1 Level 4 or lower "Mermail" monster from your Deck to your hand. You can only use this effect of "Mermail Abyssteus" once per turn.