Helm of Possession [Tempest] Demon Dog Your opponents can't cast spells

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

Set: Magic 2013 Type: Creature — Centaur Warrior Rarity: Common Cost: {2}{G} "The centaurs are truly free

Inventors Type: Creature — Elf Druid Rarity: Rare Cost: {1}{G}{G} Other Elf creatures you control get +1/+1

no prayers nor bells

{T}: Put a +1/+1 counter on Mikaeus

Helm of Possession [Tempest] Demon Dog Your opponents can't cast spellsSet: Tempest Type: Artifact Rarity: Rare Cost: {4} You may choose not to untap Helm of Possession during your untap step. {2}, {T}, Sacrifice a creature: Gain control of target creature for as long as you control Helm of Possession and Helm of Possession remains tapped.