Mefist the Infernal General (DR1-EN228) - Dark Revelation Volume 1 Unlimited

When this card attacks with an ATK that is higher than the DEF of your opponent''s Defense Position monster, inflict the difference as Battle Damage to your opponent''s Life Points. When this card inflicts Battle Damage to your opponent''s Life Points, select 1 card from your opponent''s hand randomly and discard it.