Glass Casket

When Glass Casket enters the battlefield, exile target creature an opponent controls with converted mana cost 3 or less until Glass Casket leaves the battlefield.

The Magic Mirror

This spell costs less to cast for each instant and sorcery card in your graveyard.
You have no maximum hand size.
At the beginning of your upkeep, put a knowledge counter on The Magic Mirror, then draw a card for each knowledge counter on The Magic Mirror.

Commander’s Insignia

Creatures you control get +1/+1 for each time you’ve cast your commander from the command zone this game.

Stratus Dancer

Flying
Megamorph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its megamorph cost and put a +1/+1 counter on it.)
When Stratus Dancer is turned face up, counter target instant or sorcery spell.

Cloudkin Seer

Flying
When Cloudkin Seer enters the battlefield, draw a card.

Thundering Djinn

Flying
Whenever Thundering Djinn attacks, it deals damage to any target equal to the number of cards you’ve drawn this turn.

Headless Specter

Flying
Hellbent — Whenever Headless Specter deals combat damage to a player, if you have no cards in hand, that player discards a card at random.

Battle Screech

Create two 1/1 white Bird creature tokens with flying.
Flashback—Tap three untapped white creatures you control. (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Igneous Elemental

This spell costs less to cast if there is a land card in your graveyard.
When Igneous Elemental enters the battlefield, you may have it deal 2 damage to target creature.

Monastery Mentor

Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)
Whenever you cast a noncreature spell, create a 1/1 white Monk creature token with prowess.

Pestilent Spirit

Menace, deathtouch
Instant and sorcery spells you control have deathtouch. (Any amount of damage they deal to a creature is enough to destroy it.)

Suspicious Bookcase

Defender (This creature can’t attack.)
, : Target creature can’t be blocked this turn.

Nimbus Champion

Flying
Whenever Nimbus Champion attacks, you may return target creature to its owner’s hand if that creature’s power is less than or equal to the number of Warriors your team controls.

Lunarch Mantle

Enchant creature
Enchanted creature gets +2/+2 and has “, Sacrifice a permanent: This creature gains flying until end of turn.”

Relief Captain

When Relief Captain enters the battlefield, support 3. (Put a +1/+1 counter on each of up to three other target creatures.)

Watchful Naga

You may exert Watchful Naga as it attacks. When you do, draw a card. (An exerted creature won’t untap during your next untap step.)

Alesha, Who Smiles at Death

First strike
Whenever Alesha, Who Smiles at Death attacks, you may pay . If you do, return target creature card with power 2 or less from your graveyard to the battlefield tapped and attacking.

Underhanded Designs

Whenever an artifact enters the battlefield under your control, you may pay . If you do, each opponent loses 1 life and you gain 1 life.
, Sacrifice Underhanded Designs: Destroy target creature. Activate this ability only if you control two or more artifacts.

Blossoming Defense

Target creature you control gets +2/+2 and gains hexproof until end of turn.

Oran-Rief Invoker

: Oran-Rief Invoker gets +5/+5 and gains trample until end of turn.

Dusk Feaster

Delirium — This spell costs less to cast if there are four or more card types among cards in your graveyard.
Flying

Lunarch Mantle

Enchant creature
Enchanted creature gets +2/+2 and has “, Sacrifice a permanent: This creature gains flying until end of turn.”