ESP Amplifier - EXVC-EN055 - Common - 1st Edition from Extreme Victory 1st Edition, available at 401 Games Canada.

• Rarity: Common
• Card Text:
  All face-up Psychic-Type monsters you controlled when this card was activated gain 300 ATK for each of your Psychic-Type monsters that is removed from play when this card resolves. During the End Phase, remove from play all monsters that were affected by this effect.