Mermail Shadow Squad (Quarter Century Secret Rare) [ROTA-EN018] Quarter Century Secret Rare Stage You can use this effect

You can use this effect of "Neo Blue-Eyes Ultimate Dragon" up to twice per turn

Set: Stardust Overdrive Card type: Synchro/Effect Monster Rarity: Ultimate Rare Attack: 2500 Defense: 1800 1 Tuner + 1 or more non-Tuner Spellcaster-Type monsters You can remove 2 Spell Counters from your side of the field to select and destroy 1 Spell or Trap Card your opponent controls

• Unaffected by your opponent's monster effects

Set: Magic Ruler Card type: Equip Spell Rarity: Ultra Rare Attack: 0 Defense: 0 Take control of 1 of your opponent''s face-up monsters

Mermail Shadow Squad (Quarter Century Secret Rare) [ROTA-EN018] Quarter Century Secret Rare Stage You can use this effectSet: Rage of the Abyss Card type: Effect Monster Rarity: Quarter Century Secret Rare Attack: 0 Defense: 1900 (This card is always treated as an "Atlantean" card.) You can discard 1 card to the GY; WATER monsters you currently control become Level 7 until the end of this turn. If this card is sent to the GY to activate a WATER monster's effect: Special Summon 1 Level 4 or lower "Atlantean" or "Mermail" monster from your Deck, except "Mermail Shadow