Winter Orb

As long as Winter Orb is untapped, players can't untap more than one land during their untap steps.

Blood Moon

Gisela, Blade of Goldnight

Flying, first strike
If a source would deal damage to an opponent or a permanent an opponent controls, that source deals double that damage to that player or permanent instead.
If a source would deal damage to you or a permanent you control, prevent half that damage, rounded up.

Thalia, Guardian of Thraben

First strike
Noncreature spells cost {1} more to cast.

Aven Mindcensor

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

Vryn Wingmare

Flying
Noncreature spells cost {1} more to cast.

Magus of the Moon

Thalia, Heretic Cathar

First strike
Creatures and nonbasic lands your opponents control enter the battlefield tapped.

Leonin Arbiter

Players can't search libraries. Any player may pay {2} for that player to ignore this effect until end of turn.

Hushbringer

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

Hushwing Gryff

Flash
Flying
Creatures entering the battlefield don't cause abilities to trigger.