Promise of Loyalty

Each player puts a vow counter on a creature they control and sacrifices the rest. Each of those creatures can't attack you or planeswalkers you control for as long as it has a vow counter on it.

Winter Orb

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

Spelltithe Enforcer

Whenever an opponent casts a spell, that player sacrifices a permanent unless they pay {1}.

Cursed Totem

Activated abilities of creatures can't be activated.

Isolation Cell

Whenever an opponent casts a creature spell, that player loses 2 life unless they pay {2}.

Hushwing Gryff

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

Mindlock Orb

Grand Arbiter Augustin IV

White spells you cast cost {1} less to cast.
Blue spells you cast cost {1} less to cast.
Spells your opponents cast cost {1} more to cast.

Time Wipe

Return a creature you control to its owner's hand, then destroy all creatures.

Hushbringer

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