Dark Valley From Nico Video

Dark Valley is a deck that using Gravekeeper’s with Dark World Monster Cards, Using a combo of Necrovalley+Royal Tribute to discard all monsters cards in hand for both player but Dark World Monster can special summon to the field with it’s own effect.

Source : http://www.nicovideo.jp/watch/sm8249914

Negate the effects of Spells, Traps and Effect Monsters that target a card(s) in either player’s Graveyard. Cards in either player’s Graveyard cannot be removed from play. All “Gravekeeper’s” monsters gain 500 ATK and DEF.

Activate only when you control “Necrovalley”. Both players discard all Monster Cards in their hands.

dark world, demon, gravekeepers, magicians