Shiny Black "C" (Blue) (DL14-EN007) - Duelist League Promo Unlimited Rarity_Shatterfoil Rare Card TextActivate only while you

Card TextActivate only while you control "Necrovalley"

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TypeDragon / Synchro / Effect Monster

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

TypeFiend / Effect Monster

Shiny Black "C" (Blue) (DL14-EN007) - Duelist League Promo Unlimited Rarity_Shatterfoil Rare Card TextActivate only while youTypeInsect 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.