Azorius Guildgate

Azorius Guildgate enters tapped.
{T}: Add {W} or {U}.

Adarkar Wastes

{T}: Add {C}.
{T}: Add {W} or {U}. Adarkar Wastes deals 1 damage to you.

Temple of Enlightenment

Temple of Enlightenment enters tapped.
When Temple of Enlightenment enters, scry 1.
{T}: Add {W} or {U}.

Mana Leak

Counter target spell unless its controller pays {3}.

Condemn

Put target attacking creature on the bottom of its owner's library. Its controller gains life equal to its toughness.

Serum Visions

Oblivion Ring

When Oblivion Ring enters, exile another target nonland permanent.
When Oblivion Ring leaves the battlefield, return the exiled card to the battlefield under its owner's control.

Glacial Fortress

Glacial Fortress enters tapped unless you control a Plains or an Island.
{T}: Add {W} or {U}.

Island

Azorius Signet

Path to Exile

Exile target creature. Its controller may search their library for a basic land card, put that card onto the battlefield tapped, then shuffle.

Counterspell

Meandering River

Meandering River enters tapped.
{T}: Add {W} or {U}.

Lone Missionary

When Lone Missionary enters, you gain 4 life.

Imposing Sovereign

Creatures your opponents control enter tapped.

Time Wipe

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

Vapor Snag

Return target creature to its owner's hand. Its controller loses 1 life.

Teferi, Time Raveler

Each opponent can cast spells only any time they could cast a sorcery.
+1: Until your next turn, you may cast sorcery spells as though they had flash.
−3: Return up to one target artifact, creature, or enchantment to its owner's hand. Draw a card.

Plains

Cryptic Serpent

This spell costs {1} less to cast for each instant and sorcery card in your graveyard.