
Instant
Your opponents can't cast spells this turn.

Stops opponents casting spells on your turn permanently.

Protective white instant to safeguard a key turn.

Near-identical effect with optional kicker for an alpha strike.

Cheap white-blue counter to protect a combo turn.

Prevents opponents casting spells on your turn.

Taxes opponent interaction to protect your turn.

Cheap protection spell that fizzles opposing interaction.

Protects spells from being countered or targeted, similar combo enabler.
→ Counter all spells opponents cast, Lock
→ Exile all noncreature spells players cast from their hand, Players can only cast one noncreature spell per turn, Lock
→ Target opponent loses the game
→ Opponents can't tap lands for mana, Lock, Mass Land Denial
→ Target opponent loses the game
→ Exile all noncreature spells players cast from their hand, Players can only cast one noncreature spell per turn, Lock