No Mercy

Whenever a creature deals damage to you, destroy it.

Copy Enchantment

You may have Copy Enchantment enter as a copy of any enchantment on the battlefield.

Wall of Souls

Defender (This creature can't attack.)
Whenever Wall of Souls is dealt combat damage, it deals that much damage to target opponent or planeswalker.

Propaganda

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

Painful Quandary

Whenever an opponent casts a spell, that player loses 5 life unless they discard a card.

Court of Vantress

When Court of Vantress enters, you become the monarch.
At the beginning of your upkeep, choose up to one other target enchantment or artifact. If you're the monarch, you may create a token that's a copy of it. If you're not the monarch, you may have Court of Vantress become a copy of it, except it has this ability.

Court of Ambition

When Court of Ambition enters, you become the monarch.
At the beginning of your upkeep, each opponent loses 3 life unless they discard a card. If you're the monarch, instead each opponent loses 6 life unless they discard two cards.

Fog Bank

Defender (This creature can't attack.)
Flying
Prevent all combat damage that would be dealt to and dealt by this creature.