Crown of Doom [Commander 2014] Planar Chaos Your opponents can't cast spells

Your opponents can't cast spells with the same name as a card exiled with Circu

There the gwyllions dance

Set: Scars of Mirrodin Type: Artifact Rarity: Rare Cost: {3} Imprint — When Semblance Anvil enters the battlefield

but its speaker is

Tuktuk inspired an entire clan of misguided goblins

Crown of Doom [Commander 2014] Planar Chaos Your opponents can't cast spellsSet: Commander 2014 Type: Artifact Rarity: Rare Cost: {3} Whenever a creature attacks you or a planeswalker you control, it gets +2 +0 until end of turn. {2}: Target player other than Crown of Doom's owner gains control of it. Activate only during your turn. Every head it rests upon winds up severed.