Prahv, Spires of Order

{T}: Add {C}.
{4}{W}{U}, {T}: Prevent all damage a source of your choice would deal this turn.

Benevolent Ancestor

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

Plains

Sky Hussar

Flying
When this creature enters, untap all creatures you control.
Forecast — Tap two untapped white and/or blue creatures you control, Reveal this card from your hand: Draw a card. (Activate only during your upkeep and only once each turn.)

Zephyr Spirit

When this creature blocks, return it to its owner's hand.

Pride of the Clouds

Flying
This creature gets +1/+1 for each other creature on the battlefield with flying.
Forecast — {2}{W}{U}, Reveal this creature from your hand: Create a 1/1 white and blue Bird creature token with flying. (Activate only during your upkeep and only once each turn.)

Steeling Stance

Creatures you control get +1/+1 until end of turn.
Forecast — {W}, Reveal this card from your hand: Target creature gets +1/+1 until end of turn. (Activate only during your upkeep and only once each turn.)

Sinstriker's Will

Enchant creature
Enchanted creature has "{T}: This creature deals damage equal to its power to target attacking or blocking creature."

Isperia the Inscrutable

Flying
Whenever Isperia deals combat damage to a player, choose a card name. That player reveals their hand. If a card with the chosen name is revealed this way, search your library for a creature card with flying, reveal it, put it into your hand, then shuffle.

Soulsworn Jury

Defender (This creature can't attack.)
{1}{U}, Sacrifice this creature: Counter target creature spell.

Minister of Impediments

({W/U} can be paid with either {W} or {U}.)
{T}: Tap target creature.

Azorius Guildmage

{2}{W}: Tap target creature.
{2}{U}: Counter target activated ability. (Mana abilities can't be targeted.)

Stoic Ephemera

Defender (This creature can't attack.)
Flying
When this creature blocks, sacrifice it at end of combat.

Wakestone Gargoyle

Defender, flying
{1}{W}: Creatures you control with defender can attack this turn as though they didn't have defender.

Palliation Accord

Whenever a creature an opponent controls becomes tapped, put a palliation counter on this enchantment.
Remove a palliation counter from this enchantment: Prevent the next 1 damage that would be dealt to you this turn.

Halcyon Glaze

Whenever you cast a creature spell, this enchantment becomes a 4/4 Illusion creature with flying in addition to its other types until end of turn.

Tidewater Minion

Defender (This creature can't attack.)
{4}: This creature loses defender until end of turn.
{T}: Untap target permanent.

Mistral Charger

Plumes of Peace

Enchant creature
Enchanted creature doesn't untap during its controller's untap step.
Forecast — {W}{U}, Reveal this card from your hand: Tap target creature. (Activate only during your upkeep and only once each turn.)

Azorius First-Wing

Beacon Hawk

Flying
Whenever this creature deals combat damage to a player, you may untap target creature.
{W}: This creature gets +0/+1 until end of turn.

Azorius Chancery

This land enters tapped.
When this land enters, return a land you control to its owner's hand.
{T}: Add {W}{U}.

Island

Paladin of Prahv

Whenever this creature deals damage, you gain that much life.
Forecast — {1}{W}, Reveal this card from your hand: Whenever target creature deals damage this turn, you gain that much life. (Activate only during your upkeep and only once each turn.)

Skyscribing

Each player draws X cards.
Forecast — {2}{U}, Reveal this card from your hand: Each player draws a card. (Activate only during your upkeep and only once each turn.)

To Arms!

Untap all creatures you control.
Draw a card.

Faith's Fetters

Enchant permanent
When this Aura enters, you gain 4 life.
Enchanted permanent can't attack or block, and its activated abilities can't be activated unless they're mana abilities.

Ocular Halo

Enchant creature
Enchanted creature has "{T}: Draw a card."
{W}: Enchanted creature gains vigilance until end of turn.