Zoodiac Thoroughblade (RATE-EN017) - Raging Tempest 1st Edition

If this card is Normal or Special Summoned: You can discard 1 "Zoodiac" card, and if you do, draw 1 card. An Xyz Monster whose original Type is Beast-Warrior and has this card as Xyz Material gains this effect.
- If this card attacks a Defense Position monster, inflict piercing battle damage to your opponent.