Fire Formation - Tenki - OP12-EN025 - Common - Unlimited from OTS Tournament Pack 12, available at 401 Games Canada.

• Rarity: Common
• Card Text:
  When this card is activated: You can add 1 Level 4 or lower Beast-Warrior monster from your Deck to your hand. All Beast-Warrior monsters you control gain 100 ATK. You can only activate 1 "Fire Formation - Tenki" per turn.