Cursed Totem

Activated abilities of creatures can't be activated.

Collector Ouphe

Activated abilities of artifacts can't be activated.

Noncreature spells with mana value 4 or greater can't be cast.
Noncreature spells with {X} in their mana costs can't be cast.

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

{T}: Target creature you control gains protection from the color of your choice until end of turn.

Flying, lifelink
Creatures entering or dying don't cause abilities to trigger.

Search your library for a creature card, reveal that card, put it into your hand, then shuffle.

Flash
Flying
If an opponent would search a library, that player searches the top four cards of that library instead.

Your opponents can't cast spells this turn.

Your opponents can't cast spells from anywhere other than their hands.

Flying
Creatures can't attack you unless their controller pays {2} for each creature they control that's attacking you.

This spell can't be countered.
Flying, lifelink
Your opponents can't cast spells during your turn.