Crumbling Necropolis [Commander 2013] SV14 all face-up Dragon-Type monsters are

all face-up Dragon-Type monsters are changed to Defense Position and cannot change their Battle Position

you cannot declare attacks

When a face-up monster you control is destroyed by a card effect and sent to the Graveyard (except during the Damage Step): You can Special Summon this card from your hand

Set: Elemental Energy Card type: Effect Monster Rarity: Secret Rare Attack: 2300 Defense: 1000 This card is unaffected by your opponent''s Spell Cards

Crumbling Necropolis [Commander 2013] SV14 all face-up Dragon-Type monsters areSet: Commander 2013 Type: Land Rarity: Uncommon Crumbling Necropolis enters the battlefield tapped. {T}: Add {U}, {B}, or {R}. "They say the ruins of Sedraxis were once a shining capital in Vithia. Now it is a blight, a place to be avoided by the living." Olcot, Rider of Joffik