Return all attacking creatures to their owner's hand.

Whenever a creature you control attacks alone, it gets +X/+X until end of turn, where X is the number of creatures you control.

Flying, haste

At the beginning of combat on your turn, if you've cast three or more instant and sorcery spells this turn, return Arclight Phoenix from your graveyard to the battlefield.

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

Addendum — If you cast this spell during your main phase, that creature gains flying until end of turn.

At the beginning of your upkeep, put a muster counter on Assemble the Legion. Then create a 1/1 red and white Soldier creature token with haste for each muster counter on Assemble the Legion.

Flying

Mentor (Whenever this creature attacks, put a +1/+1 counter on target attacking creature with lesser power.)

At the beginning of combat on your turn, choose up to one target creature you control. Until end of turn, that creature gets +2/+0, gains trample if it's red, and gains vigilance if it's white.

Azorius Guildgate enters tapped.

: Add or .

When Azorius Justiciar enters, detain up to two target creatures your opponents control. (Until your next turn, those creatures can't attack or block and their activated abilities can't be activated.)

Flying

When Balustrade Spy enters, target player reveals cards from the top of their library until they reveal a land card, then puts those cards into their graveyard.

Defender

Extort (Whenever you cast a spell, you may pay . If you do, each opponent loses 1 life and you gain that much life.)

Target creature gets +3/-3 until end of turn.

Spectacle (You may cast this spell for its spectacle cost rather than its mana cost if an opponent lost life this turn.)

When Blade Juggler enters, it deals 1 damage to you and you draw a card.

Flying

Creatures can't attack you.

Extort (Whenever you cast a spell, you may pay . If you do, each opponent loses 1 life and you gain that much life.)

Artifacts and creatures your opponents control enter tapped.

Trample

Unleash (You may have this creature enter with a +1/+1 counter on it. It can't block as long as it has a +1/+1 counter on it.)

Trample

Whenever Borborygmos Enraged deals combat damage to a player, reveal the top three cards of your library. Put all land cards revealed this way into your hand and the rest into your graveyard.

Discard a land card: Borborygmos Enraged deals 3 damage to any target.

Boros Guildgate enters tapped.

: Add or .

, : Add .

(: Add or .)

As Breeding Pool enters, you may pay 2 life. If you don't, it enters tapped.

When Bulwark Giant enters, you gain 5 life.

Creatures you control get +2/+0 until end of turn.

Riot (This creature enters with your choice of a +1/+1 counter or haste.)

Whenever Burning-Tree Vandal attacks, you may discard a card. If you do, draw a card.

The next 1 damage that would be dealt to target creature this turn is dealt to another target creature instead.

Draw a card.

Flying

: Cerulean Sphinx's owner shuffles it into their library.

Lands you control have ": Add one mana of any color."

: Add one mana of any color.

Equipped creature gets +1/+0 for each of its colors.

Equip

Whenever a nonartifact permanent you control enters, you may return another permanent you control that shares a permanent type with it to its owner's hand.

Target player draws three cards. Then that player discards two cards unless they discard a land card.

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for or one mana of that creature's color.)

Flying

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

You may have Copy Enchantment enter as a copy of any enchantment on the battlefield.

Creeping Chill deals 3 damage to each opponent and you gain 3 life.

When Creeping Chill is put into your graveyard from your library, you may exile it. If you do, Creeping Chill deals 3 damage to each opponent and you gain 3 life.

Extort (Whenever you cast a spell, you may pay . If you do, each opponent loses 1 life and you gain that much life.)

Whenever you tap a Swamp for mana, add an additional .

At the beginning of your upkeep, reveal the top card of your library and put that card into your hand. You lose life equal to its mana value.

: Exile target land card from a graveyard. Add one mana of any color.

, : Exile target instant or sorcery card from a graveyard. Each opponent loses 2 life.

, : Exile target creature card from a graveyard. You gain 2 life.

Afterlife 2 (When this creature dies, create two 1/1 white and black Spirit creature tokens with flying.)

Demonfire deals X damage to any target. If a creature dealt damage this way would die this turn, exile it instead.

Hellbent — If you have no cards in hand, this spell can't be countered and the damage can't be prevented.

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for or one mana of that creature's color.)

Exile target attacking or blocking creature.

( can be paid with either or .)

: Target player draws a card. Activate only as a sorcery.

: Target player discards a card. Activate only as a sorcery.

, : Add .

If one or more creature tokens would be created under your control, that many 4/4 white Angel creature tokens with flying and vigilance are created instead.

+1: Look at the top card of your library. If it's a creature card, you may reveal it and put it into your hand.

−2: Target creature you control fights another target creature.

−7: You get an emblem with "Creatures you control have double strike, trample, hexproof, and haste."

Destroy target creature or planeswalker.

Defender (This creature can't attack.)

Flying

Transmute (, Discard this card: Search your library for a card with the same mana value as this card, reveal it, put it into your hand, then shuffle. Transmute only as a sorcery.)

Draw cards equal to the number of cards in your library, then put a card from your hand on top of your library. You have no maximum hand size until your next turn.

Evolve (Whenever a creature you control enters, if that creature has greater power or toughness than this creature, put a +1/+1 counter on this creature.)

Remove two +1/+1 counters from Experiment One: Regenerate Experiment One. (The next time this creature would be destroyed this turn, instead tap it, remove it from combat, and heal all damage on it.)

At the beginning of your upkeep, scry 1.

: Exchange control of Eyes Everywhere and target nonland permanent. Activate only as a sorcery.

Enchant permanent

When Faith's Fetters 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.

When Fblthp, the Lost enters, draw a card. If it entered from your library or was cast from your library, draw two cards instead.

When Fblthp becomes the target of a spell, shuffle Fblthp into its owner's library.

Return up to two target creature cards from your graveyard to your hand.