Hero Mask - RYMP-EN030 - Common - 1st Edition from Ra Yellow Mega Pack 1st Edition, available at 401 Games Canada.

• Rarity: Common
• Card Text:
  Target 1 face-up monster you control; send 1 "Elemental HERO" monster from your Deck to the Graveyard, then that target's name becomes the sent monster's name, until the End Phase.