Gather the Townsfolk

Create two 1/1 white Human creature tokens.
Fateful hour — If you have 5 or less life, create five of those tokens instead.

Drag Under

Return target creature to its owner's hand.
Draw a card.

Confound

Counter target spell that targets a creature.
Draw a card.

Take into Custody

Tap target creature. It doesn't untap during its controller's next untap step.

Teferi, Timebender

+2: Untap up to one target artifact or creature.
−3: You gain 2 life and draw two cards.
−9: Take an extra turn after this one.

Sanguine Sacrament

You gain twice X life. Put Sanguine Sacrament on the bottom of its owner's library.

Skywinder Drake

Flying
Skywinder Drake can block only creatures with flying.

God-Pharaoh's Faithful

Whenever you cast a blue, black, or red spell, you gain 1 life.

Wind Strider

Flash (You may cast this spell any time you could cast an instant.)
Flying

Protection of the Hekma

If a source an opponent controls would deal damage to you, prevent 1 of that damage.

Gideon's Reproach

Gideon's Reproach deals 4 damage to target attacking or blocking creature.

Thraben Doomsayer

{T}: Create a 1/1 white Human creature token.
Fateful hour — As long as you have 5 or less life, other creatures you control get +2/+2.

Seer of the Last Tomorrow

{U}, {T}, Discard a card: Target player mills three cards.

Lavinia of the Tenth

Protection from red
When Lavinia of the Tenth enters, detain each nonland permanent your opponents control with mana value 4 or less. (Until your next turn, those permanents can't attack or block and their activated abilities can't be activated.)

River's Rebuke

Return all nonland permanents target player controls to their owner's hand.

Conviction

Enchant creature
Enchanted creature gets +1/+3.
{W}: Return Conviction to its owner's hand.

Index

Look at the top five cards of your library, then put them back in any order.

Enchant creature
Enchanted creature gets +2/+2, has first strike, and is a Knight in addition to its other types. (It deals combat damage before creatures without first strike.)

Teferi's Sentinel

As long as you control a Teferi planeswalker, Teferi's Sentinel gets +4/+0.

Illusory Wrappings

Enchant creature
Enchanted creature has base power and toughness 0/2.

Stone Haven Medic

Sorcerer's Wand

Equipped creature has "{T}: This creature deals 1 damage to target player or planeswalker. If this creature is a Wizard, it deals 2 damage instead."
Equip {3}

Air Elemental

Geralf's Mindcrusher

When Geralf's Mindcrusher enters, target player mills five cards.
Undying (When this creature dies, if it had no +1/+1 counters on it, return it to the battlefield under its owner's control with a +1/+1 counter on it.)

Graveyard Shovel

{2}, {T}: Target player exiles a card from their graveyard. If it's a creature card, you gain 2 life.

Divine Verdict

Destroy target attacking or blocking creature.

Fleet Swallower

Whenever Fleet Swallower attacks, target player mills half their library, rounded up.

Artful Dodge

Target creature can't be blocked this turn.
Flashback {U} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Niambi, Faithful Healer

When Niambi, Faithful Healer enters, you may search your library and/or graveyard for a card named Teferi, Timebender, reveal it, and put it into your hand. If you search your library this way, shuffle.

Sandstone Bridge

Sandstone Bridge enters tapped.
When Sandstone Bridge enters, target creature gets +1/+1 and gains vigilance until end of turn.
{T}: Add {W}.

Fortified Rampart

Slither Blade

Plains

Skyline Cascade

Skyline Cascade enters tapped.
When Skyline Cascade enters, target creature an opponent controls doesn't untap during its controller's next untap step.
{T}: Add {U}.

Thraben Heretic

{T}: Exile target creature card from a graveyard.

Dreadwaters

Target player mills X cards, where X is the number of lands you control.

Jace's Erasure

Whenever you draw a card, you may have target player mill a card.

Stormscape Familiar

Flying
White spells and black spells you cast cost {1} less to cast.

Unsubstantiate

Return target spell or creature to its owner's hand.

Sensor Splicer

When Sensor Splicer enters, create a 3/3 colorless Phyrexian Golem artifact creature token.
Golem creatures you control have vigilance.

Spectral Rider

Intimidate (This creature can't be blocked except by artifact creatures and/or creatures that share a color with it.)

Fortress Crab

Psychic Barrier

Counter target creature spell. Its controller loses 1 life.

Healer of the Pride

Whenever another creature you control enters, you gain 2 life.

Island

Revoke Existence

Legion's Judgment

Destroy target creature with power 4 or greater.

Hierophant's Chalice

When Hierophant's Chalice enters, target opponent loses 1 life and you gain 1 life.
{T}: Add {C}.

Moment of Heroism

Target creature gets +2/+2 and gains lifelink until end of turn. (Damage dealt by the creature also causes its controller to gain that much life.)

Paraselene

Destroy all enchantments. You gain 1 life for each enchantment destroyed this way.

Rhet-Crop Spearmaster

You may exert Rhet-Crop Spearmaster as it attacks. When you do, it gets +1/+0 and gains first strike until end of turn. (An exerted creature won't untap during your next untap step.)

Azcanta, the Sunken Ruin

(Transforms from Search for Azcanta.)
{T}: Add {U}.
{2}{U}, {T}: Look at the top four cards of your library. You may reveal a noncreature, nonland card from among them and put it into your hand. Put the rest on the bottom of your library in any order.

Search for Azcanta

At the beginning of your upkeep, surveil 1. Then if you have seven or more cards in your graveyard, you may transform Search for Azcanta. (Look at the top card of your library. You may put that card into your graveyard.)

Search for Azcanta // Azcanta, the Sunken Ruin

Dispel

Angel's Mercy

Deep Freeze

Enchant creature
Enchanted creature has base power and toughness 0/4, has defender, loses all other abilities, and is a blue Wall in addition to its other colors and types.

Kraken's Eye

Whenever a player casts a blue spell, you may gain 1 life.

Ghostly Wings

Enchant creature
Enchanted creature gets +1/+1 and has flying.
Discard a card: Return enchanted creature to its owner's hand.