Neo-Parshath, The Sky Paladin (STON-EN061) - Strike of Neos Unlimited

You can Special Summon this card by Tributing 1 "Airknight Parshath". During battle between this attacking card and a Defense Position monster whose DEF is lower than the ATK of this card, inflict the difference as Battle Damage to your opponent. When this card inflicts Battle Damage to your opponent, draw 1 card. While "The Sanctuary in the Sky" is on the field and your Life Points are higher than your opponent's, this card gains ATK and DEF equal to the difference in Life Points.