Silvera, Wolf Tamer of the White Forest (Quarter Century Secret Rare) [INFO-EN038] Quarter Century Secret Rare

Defense: 2400 1 Tuner 1 non-Tuner monsters If this card is Special Summoned: You can change all face-up monsters your opponent controls to face-down Defense Position. Illusion and Spellcaster Synchro Monsters you control gain 500 ATK, also if they attack a Defense Position monster, inflict double piercing battle damage to your opponent.