Vigilance

When Arbiter of Knollridge enters the battlefield, each player's life total becomes the highest life total among all players.

Haste

Modular 2 (This creature enters the battlefield with two +1/+1 counters on it. When it dies, you may put its +1/+1 counters on target artifact creature.)

Flying

As Archangel of Strife enters the battlefield, each player chooses war or peace.

Creatures controlled by players who chose war get +3/+0.

Creatures controlled by players who chose peace get +0/+3.

Flying

Each player can't cast more than one spell each turn.

Nonbasic lands your opponents control enter the battlefield tapped.

Archpriest of Iona's power is equal to the number of creatures in your party. (Your party consists of up to one each of Cleric, Rogue, Warrior, and Wizard.)

At the beginning of combat on your turn, if you have a full party, target creature gets +1/+1 and gains flying until end of turn.

Whenever you cast your first spell during each opponent's turn, put a +1/+1 counter on Arena Trickster.

When Aria of Flame enters the battlefield, each opponent gains 10 life.

Whenever you cast an instant or sorcery spell, put a verse counter on Aria of Flame, then it deals damage equal to the number of verse counters on it to target player or planeswalker.

, Pay 1 life, Sacrifice Arid Mesa: Search your library for a Mountain or Plains card, put it onto the battlefield, then shuffle.

Arixmethes, Slumbering Isle enters the battlefield tapped with five slumber counters on it.

As long as Arixmethes has a slumber counter on it, it's a land. (It's not a creature.)

Whenever you cast a spell, you may remove a slumber counter from Arixmethes.

: Add .

Flying, vigilance

When Arterial Alchemy enters the battlefield, create a Blood token for each opponent you have. (It's an artifact with ", , Discard a card, Sacrifice this artifact: Draw a card.")

Blood tokens you control are Equipment in addition to their other types and have "Equipped creature gets +2/+0" and equip .

As an additional cost to cast this spell, sacrifice an artifact or creature.

Artillerize deals 5 damage to any target.

: Ascendant Spirit becomes a Spirit Warrior with base power and toughness 2/3.

: If Ascendant Spirit is a Warrior, put a flying counter on it and it becomes a Spirit Warrior Angel with base power and toughness 4/4.

: If Ascendant Spirit is an Angel, put two +1/+1 counters on it and it gains "Whenever this creature deals combat damage to a player, draw a card."

: Put a +1/+1 counter on Ashling the Pilgrim. If this is the third time this ability has resolved this turn, remove all +1/+1 counters from Ashling the Pilgrim, and it deals that much damage to each creature and each player.

Flying (This creature can't be blocked except by creatures with flying or reach.)

When Aspiring Aeronaut enters the battlefield, create a 1/1 colorless Thopter artifact creature token with flying.

Destroy target creature. Its controller discards a card.

Affinity for artifacts (This spell costs less to cast for each artifact you control.)

Counter target spell. If that spell is countered this way, exile it instead of putting it into its owner's graveyard.

Exile target creature. Put X +1/+1 counters on a commander creature you control, where X is the power of the creature exiled this way.

Whenever Astrid Peth enters the battlefield or attacks, create a Food token.

Brand-new Sky — Whenever you sacrifice a Clue or Food, Astrid Peth explores. (Reveal the top card of your library. Put that card into your hand if it's a land. Otherwise, put a +1/+1 counter on this creature, then put the card back or put it into your graveyard.)

Menace

When Atris, Oracle of Half-Truths enters the battlefield, target opponent looks at the top three cards of your library and separates them into a face-down pile and a face-up pile. Put one pile into your hand and the other into your graveyard.

Whenever Attentive Sunscribe becomes tapped, scry 1. (Look at the top card of your library. You may put that card on the bottom.)

Whenever a creature deals damage to you, put a gold counter on it.

Each creature with a gold counter on it is a Wall in addition to its other creature types and has defender. (Those creatures can't attack.)

When Aurification leaves the battlefield, remove all gold counters from all creatures.

Protection from black and from red

Whenever another creature enters the battlefield, you may gain 1 life.

As long as Auriok Glaivemaster is equipped, it gets +1/+1 and has first strike.

: Return target artifact card with mana value 1 or less from your graveyard to your hand.

Equip costs you pay cost less.

As long as Auriok Steelshaper is equipped, each creature you control that's a Soldier or a Knight gets +1/+1.

When Auriok Survivors enters the battlefield, you may return target Equipment card from your graveyard to the battlefield. If you do, you may attach it to Auriok Survivors.

Flying

: Attach target Equipment you control to target creature you control.

Target creature gets +2/+2 until end of turn. Investigate. (Create a Clue token. It's an artifact with ", Sacrifice this artifact: Draw a card.")

Aftermath (Cast this spell only from your graveyard. Then exile it.)

Tap up to two target creatures your opponents control. Creatures you control gain vigilance until end of turn.

When Automatic Librarian enters the battlefield, scry 2. (Look at the top two cards of your library, then put any number of them on the bottom of your library and the rest on top in any order.)

At the beginning of your end step, if Avacynian Missionaries is equipped, transform it.

Indestructible

Other legendary permanents you control have indestructible.

Haste

Echo (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)

When Avalanche Riders enters the battlefield, destroy target land.

: Exchange control of Avarice Totem and target nonland permanent.

Flying (This creature can't be blocked except by creatures with flying or reach.)

When Aven Battle Priest enters the battlefield, you gain 3 life.

Flying

Whenever Aven Courier attacks, choose a counter on a permanent you control. Put a counter of that kind on target permanent you control if it doesn't have a counter of that kind on it.

Flying

When Aven of Enduring Hope enters the battlefield, you gain 3 life.

Whenever a player casts a spell, that player gains X life, where X is the number of cards in all graveyards with the same name as that spell.

The next time target creature would deal damage this turn, prevent that damage. You gain life equal to the damage prevented this way.

Deathtouch

, Sacrifice another creature: You gain life equal to the sacrificed creature's toughness.

, Sacrifice another creature: Exile target nonland permanent. Activate only if you have at least 10 life more than your starting life total.

Whenever a permanent is returned to your hand, you may pay . If you do, draw a card.

Azorius Chancery enters the battlefield tapped.

When Azorius Chancery enters the battlefield, return a land you control to its owner's hand.

: Add .

: Add or .

, , Sacrifice Azorius Cluestone: Draw a card.

Azorius Guildgate enters the battlefield tapped.

: Add or .

Azorius Herald can't be blocked.

When Azorius Herald enters the battlefield, you gain 4 life.

When Azorius Herald enters the battlefield, sacrifice it unless was spent to cast it.

: Add or .

: Azorius Keyrune becomes a 2/2 white and blue Bird artifact creature with flying until end of turn.

: Add or .

, , Sacrifice Azorius Locket: Draw two cards.

, : Add .

B.F.M. onto the battlefield. If one B.F.M. card

more creatures.