Pacifism

Enchant creature
Enchanted creature can't attack or block.

Catalog

Braidwood Cup

Kyren Archive

At the beginning of your upkeep, you may exile the top card of your library face down.
{5}, Discard your hand, Sacrifice this artifact: Put all cards exiled with this artifact into their owner's hand.

War Tax

{X}{U}: This turn, creatures can't attack unless their controller pays {X} for each attacking creature they control.

Arrest

Enchant creature
Enchanted creature can't attack or block, and its activated abilities can't be activated.

Ballista Squad

{X}{W}, {T}: This creature deals X damage to target attacking or blocking creature.

Drifting Meadow

This land enters tapped.
{T}: Add {W}.
Cycling {2} ({2}, Discard this card: Draw a card.)

Clear

Destroy target enchantment.
Cycling {2} ({2}, Discard this card: Draw a card.)

Stroke of Genius

Cessation

Enchant creature
Enchanted creature can't attack.
When this Aura is put into a graveyard from the battlefield, return it to its owner's hand.

Palinchron

Flying
When this creature enters, untap up to seven lands.
{2}{U}{U}: Return this creature to its owner's hand.

Plains

Island

Thwart

You may return three Islands you control to their owner's hand rather than pay this spell's mana cost.
Counter target spell.

Counterspell

Stinging Barrier

Defender (This creature can't attack.)
{U}, {T}: This creature deals 1 damage to any target.

Wrath of God

Destroy all creatures. They can't be regenerated.

Disenchant

Crossbow Infantry

{T}: This creature deals 1 damage to target attacking or blocking creature.

Alabaster Wall

Defender (This creature can't attack.)
{T}: Prevent the next 1 damage that would be dealt to any target this turn.

Exile

Exile target nonwhite attacking creature. You gain life equal to its toughness.

Mother of Runes

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