Legendary Collection Kaiba

Must be Special Summoned with "The Fang of Critias", using "Ring of Destruction". Once per turn: You can target 1 card your opponent controls; destroy it. Then, if it was a Monster Card, inflict damage to your opponent equal to its original ATK.

Destruction Dragon

If you control a Spellcaster monster: You can target up to 2 Dragon monsters in your GY, including at least 1 Normal Monster; Special Summon them. Your opponent takes no damage this turn. You can only activate 1 "Dragon Revival Rhapsody" per turn.

Dragon Revival Rhapsody

While you control no cards and this is the only card in your hand, when an opponent's monster declares an attack: You can discard this card; destroy as many cards as possible your opponent controls, then you can Special Summon 1 monster from your Deck.

Goddess of Sweet Revenge

This card's name becomes "Ring of Destruction" while on the field. Once per turn, if a monster(s) on the field is destroyed by a card effect (except during the Damage Step): You can target 1 monster on the field; destroy it, and if you do, each player takes 500 damage.

Loop of Destruction

This card's name becomes "Lord of D." while on the field. When this card is Normal Summoned: You can discard 1 Spell/Trap; add 1 "The Flute of Summoning Dragon", "The Melody of Awakening Dragon", or "Dragon Revival Rhapsody" from your Deck to your hand.