Archon of Emeria

Flying
Each player can't cast more than one spell each turn.
Nonbasic lands your opponents control enter tapped.

Grand Abolisher

During your turn, your opponents can't cast spells or activate abilities of artifacts, creatures, or enchantments.

Rule of Law

Each player can't cast more than one spell each turn.

Mandate of Peace

Cast this spell only during combat.
Your opponents can't cast spells this turn.
End the combat phase. (Remove all attackers and blockers from combat. Exile all spells and abilities from the stack, including this spell.)

High Noon

Each player can't cast more than one spell each turn.
{4}{R}, Sacrifice this enchantment: It deals 5 damage to any target.

Eidolon of Rhetoric

Conqueror's Flail

Equipped creature gets +1/+1 for each color among permanents you control.
As long as this Equipment is attached to a creature, your opponents can't cast spells during your turn.
Equip {2}

Permission Denied

Counter target noncreature spell. Your opponents can't cast noncreature spells this turn.

Deafening Silence

Each player can't cast more than one noncreature spell each turn.

Silence

Your opponents can't cast spells this turn.

Render Silent

Counter target spell. Its controller can't cast spells this turn.