Shield of the Millennium Dynasty (Quarter Century Secret Rare) [INFO-EN003] Quarter Century Secret Rare Elemental and/or an effect that Special

and/or an effect that Special Summons a monster(s) and destroy those cards

gain 1 [Life]

And you can add some of the best Spell Cards in the game to your collection and your Deck

if a "Sinister Serpent" exist in your Graveyard

Shield of the Millennium Dynasty (Quarter Century Secret Rare) [INFO-EN003] Quarter Century Secret Rare Elemental and/or an effect that SpecialSet: The Infinite Forbidden Card type: Effect Monster Rarity: Quarter Century Secret Rare Attack: 0 Defense: 3000 Cannot be destroyed by Spell Trap effects. You can only use each of the following effects of "Shield of the Millennium Dynasty" once per turn. If this card is in your hand: You can place it in your Spell & Trap Zone as a face up Continuous Spell. While this card is a Continuous Spell: You can either pay 2000 LP, or reveal 1 "Millennium