Necrovalley [DR1-EN032] Super Rare Fusion/Tuner Monster Set: Duel Terminal 2 Card

Set: Duel Terminal 2 Card type: Effect Monster Rarity: Super Rare Attack: 2600 Defense: 2200 Once per turn

but it cannot declare an attack

You can only use this effect of "Yosenju Oyam" once per turn

then you can add 1 "Ruin

Necrovalley [DR1-EN032] Super Rare Fusion/Tuner Monster Set: Duel Terminal 2 CardSet: Dark Revelation Volume 1 Card type: Field Spell Rarity: Super Rare As long as this card remains on the field, negate the effects of Spell, Trap, and Monster Cards that affect a card(s) in the Graveyards, and neither player can remove cards in the Graveyards from play. Also, as long as this card remains on the field, increase the ATK and DEF of all monsters that includes "Gravekeeper's" in their card name by 500 points.