Melffy Pony [ROTD-EN020] Common XY69 You can only use this

You can only use this effect of "Dragon Buster Destruction Sword" once per turn

Set: Structure Deck: Freezing Chains Card type: Continuous Trap Rarity: Common Activate by targeting 1 face-up monster your opponent controls

Set: Planechase 2012 Type: Enchantment Rarity: Rare Cost: {5}{R} Whenever a creature enters the battlefield under your control

) You can only activate 1 "The Book of the Law" per turn

In that case

Melffy Pony [ROTD-EN020] Common XY69 You can only use thisSet: Rise of the Duelist Card type: Effect Monster Rarity: Common Attack: 400 Defense: 0 If your opponent Normal or Special Summons a monster(s) (except during the Damage Step), or if an opponent's monster targets this card for an attack: You can return this card to the hand, then you can add 1 Level 2 or lower Beast monster from your GY to your hand, except "Melffy Pony". During your End Phase: You can Special Summon this card from your hand. You can