Evil Twin [Innistrad] SV015 You cannot Summon other monsters

You cannot Summon other monsters the turn you activate this card (but you can Normal Set)

Set: Invasion: Vengeance Card type: Gemini/Effect Monster Rarity: Rare Attack: 1800 Defense: 2000 This card is treated as a Normal Monster while face-up on the field or in the Graveyard

Set: Photon Shockwave Card type: Effect Monster Rarity: Ultra Rare Attack: 1900 Defense: 1400 When this card is Special Summoned by the effect of an "Evoltile" monster: It gains 200 ATK

Set: Diamond & Pearl: Great Encounters Type: Metal Rarity: Uncommon Retreat cost: Colorless

you can negate its activation

Evil Twin [Innistrad] SV015 You cannot Summon other monstersSet: Innistrad Type: Creature Shapeshifter Rarity: Rare Cost: {2}{U}{B} You may have Evil Twin enter the battlefield as a copy of any creature on the battlefield, except it has "{U}{B}, {T}: Destroy target creature with the same name as this creature." You can always tell the evil one by the dagger he's sticking in you.