Cyber Blader (Secret Rare) (SGX1-ENE21) - Speed Duel GX: Duel Academy Box 1st Edition

"Etoile Cyber" + "Blade Skater"
A Fusion Summon of this card can only be conducted with the above Fusion Material Monsters. While your opponent controls only 1 monster, this card is not destroyed as a result of battle. While your opponent controls only 2 monsters, double the ATK of this card. While your opponent controls only 3 monsters, this card negates the effects of your opponent's Spell, Trap, and Effect Monster Cards.