Shiny Black "C" (Blue) (DL14-EN007) - Duelist League Promo Unlimited Rarity_Shatterfoil Rare and banish all cards with

and banish all cards with that monster's name from both Decks

otherwise negate the activation of their Spell Card

You can only use this effect of “Sinister Serpent” once per turn

ATK / DEF2200 / 800

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Shiny Black "C" (Blue) (DL14-EN007) - Duelist League Promo Unlimited Rarity_Shatterfoil Rare and banish all cards withTypeInsect Effect Monster AttributeEARTH Level Rank1 ATK DEF200 500 Card TextDuring either player's turn, when exactly 1 Synchro Monster is Special Summoned to your opponent's side of the field: You can banish this card from your Graveyard to target that face up Synchro Monster; destroy that target.