Valor in Akros

Whenever a creature enters the battlefield under your control, creatures you control get +1/+1 until end of turn.

Inertia Bubble

Enchant artifact
Enchanted artifact doesn't untap during its controller's untap step.

Elusive Spellfist

Whenever you cast a noncreature spell, Elusive Spellfist gets +1/+0 until end of turn and can't be blocked this turn.

Gust of Wind

This spell costs {2} less to cast if you control a creature with flying.
Return target nonland permanent you don't control to its owner's hand.
Draw a card.

Command Tower

{T}: Add one mana of any color in your commander's color identity.

Shieldhide Dragon

Flying, lifelink
Megamorph {5}{W}{W} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its megamorph cost and put a +1/+1 counter on it.)
When Shieldhide Dragon is turned face up, put a +1/+1 counter on each other Dragon creature you control.

Ghostly Wings

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

Cage of Hands

Enchant creature
Enchanted creature can't attack or block.
{1}{W}: Return Cage of Hands to its owner's hand.

Revelation of Power

Target creature gets +2/+2 until end of turn. If it has a counter on it, it also gains flying and lifelink until end of turn.

Taigam, Ojutai Master

Instant, sorcery, and Dragon spells you control can't be countered.
Whenever you cast an instant or sorcery spell from your hand, if Taigam, Ojutai Master attacked this turn, that spell gains rebound. (Exile the spell as it resolves. At the beginning of your next upkeep, you may cast that card from exile without paying its mana cost.)

Gleam of Resistance

Creatures you control get +1/+2 until end of turn. Untap those creatures.
Basic landcycling {1}{W} ({1}{W}, Discard this card: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.)

Aerial Assault

Destroy target tapped creature. You gain 1 life for each creature you control with flying.

Cloudshift

Exile target creature you control, then return that card to the battlefield under your control.

Maximize Altitude

Target creature gets +1/+1 and gains flying until end of turn.
Jump-start (You may cast this card from your graveyard by discarding a card in addition to paying its other costs. Then exile this card.)

Exultant Cultist

Iona's Judgment

Oppressive Rays

Enchant creature
Enchanted creature can't attack or block unless its controller pays {3}.
Activated abilities of enchanted creature cost {3} more to activate.

Divination

Show of Valor

Target creature gets +2/+4 until end of turn.

Tezzeret's Ambition

Draw three cards. If you control no artifacts, discard a card.

Sol Ring

Memory Drain

Piercing Rays

Exile target tapped creature.
Forecast — {2}{W}, Reveal Piercing Rays from your hand: Tap target untapped creature. (Activate this ability only during your upkeep and only once each turn.)

Call the Cavalry

Create two 2/2 white Knight creature tokens with vigilance.

Nullify

Inspiring Roar

Put a +1/+1 counter on each creature you control.

One With the Wind

Enchant creature
Enchanted creature gets +2/+2 and has flying.

Rally Maneuver

Target creature gets +2/+0 and gains first strike until end of turn. Up to one other target creature gets +0/+2 and gains lifelink until end of turn.

Mighty Leap

Target creature gets +2/+2 and gains flying until end of turn.

Lost in a Labyrinth

Target creature gets -3/-0 until end of turn. Scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)

Thought Vessel

You have no maximum hand size.
{T}: Add {C}.

Negate

Pacifism

Enchant creature
Enchanted creature can't attack or block.

Neurok Invisimancer

Neurok Invisimancer can't be blocked.
When Neurok Invisimancer enters the battlefield, target creature can't be blocked this turn.

Glaring Aegis

Enchant creature
When Glaring Aegis enters the battlefield, tap target creature an opponent controls.
Enchanted creature gets +1/+3.

Revolutionary Rebuff

Counter target nonartifact spell unless its controller pays {2}.

Stratus Walk

Enchant creature
When Stratus Walk enters the battlefield, draw a card.
Enchanted creature has flying. (It can't be blocked except by creatures with flying or reach.)
Enchanted creature can block only creatures with flying.

Capture Sphere

Flash (You may cast this spell any time you could cast an instant.)
Enchant creature
When Capture Sphere enters the battlefield, tap enchanted creature.
Enchanted creature doesn't untap during its controller's untap step.

Convolute

Counter target spell unless its controller pays {4}.

Cancel

Student of Ojutai

Whenever you cast a noncreature spell, you gain 2 life.

New Prahv Guildmage

{W}{U}: Target creature gains flying until end of turn.
{3}{W}{U}: Detain target nonland permanent an opponent controls. (Until your next turn, that permanent can't attack or block and its activated abilities can't be activated.)

Apothecary Initiate

Whenever a player casts a white spell, you may pay {1}. If you do, you gain 1 life.