Destiny Hero - Doom Lord [DR04-EN181] Rare Champion Pack 1 If that card is a

If that card is a monster

When this card inflicts battle damage to your opponent by a direct attack: Discard 1 random card from their hand

then your opponent gains 1000 Life Points

this card loses ATK equal to the difference

Destiny Hero - Doom Lord [DR04-EN181] Rare Champion Pack 1 If that card is aSet: Dark Revelation Volume 4 Card type: Effect Monster Rarity: Rare Attack: 600 Defense: 800 Once per turn, if this card in face up Attack Position, you can remove from play 1 monster your opponent controls. If you use this effect, you cannot declare an attack this turn, and the removed monster will be returned to the opponent's side of the field in the same batlle position during your second Standby Phase after activation.