Vigilance

As Anointed Peacekeeper enters the battlefield, look at an opponent's hand, then choose any card name.

Spells your opponents cast with the chosen name cost more to cast.

Activated abilities of sources with the chosen name cost more to activate unless they're mana abilities.

: Target attacking creature gets +1/+1 until end of turn.

Whenever a creature token enters the battlefield under your control, you gain 1 life.

Embalm (, Exile this card from your graveyard: Create a token that's a copy of it, except it's a white Zombie Human Cleric with no mana cost. Embalm only as a sorcery.)

Exile any number of creatures you control, then return them to the battlefield under their owner's control. Then repeat this process X more times.

Other Rogues you control get +1/+1.

Whenever one or more Rogues you control deal combat damage to a player, that player mills a card for each 1 damage dealt to them. If the player mills at least one creature card this way, you draw a card. (To mill a card, a player puts the top card of their library into their graveyard.)

Whenever a creature enters the battlefield under your control, you gain 1 life. If Answered Prayers isn't a creature, it becomes a 3/3 Angel creature with flying in addition to its other types until end of turn.

Target creature gets +4/+3 until end of turn.

Heroic — Whenever you cast a spell that targets Anthousa, Setessan Hero, up to three target lands you control each become 2/2 Warrior creatures until end of turn. They're still lands.

Antique Collector can't be blocked by creatures with power 2 or less.

When Antique Collector enters the battlefield, creatures you control perpetually gain "When this creature dies, you may shuffle it into its owner's library if it's in your graveyard. If you do, investigate." (Create a colorless Clue artifact token with ", Sacrifice this artifact: Draw a card.")

Threshold — Anurid Barkripper gets +2/+2 as long as seven or more cards are in your graveyard.

Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.)

Reach (This creature can block creatures with flying.)

: Anurid Swarmsnapper can block an additional creature this turn.

As An-Zerrin Ruins enters the battlefield, choose a creature type.

Creatures of the chosen type don't untap during their controllers' untap steps.

Destroy all artifacts you don't control, then exile the top X cards of your library, where X is the number of artifacts that were put into graveyards from the battlefield this turn. You may put a creature card exiled this way onto the battlefield. It gains haste. Return it to your hand at the beginning of the next end step.

Whenever Apes of Rath attacks, it doesn't untap during its controller's next untap step.

Cascade, cascade, cascade, cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom in a random order. Multiple instances of cascade each trigger separately.)

Apex Observatory enters the battlefield tapped. As it enters, choose a card type shared among two exiled cards used to craft it.

: The next spell you cast this turn of the chosen type can be cast without paying its mana cost.

Flying

At the beginning of your end step, you may exile an enchantment card from your graveyard. If you do, create a 2/2 black Zombie creature token.

Return up to three target creature cards of the creature type of your choice from your graveyard to your hand.

Tap two untapped Wizards you control: Tap target permanent.

Flying

When Aphetto Vulture dies, you may put target Zombie card from your graveyard on top of your library.

, , Sacrifice Apocalypse Chime: Destroy all nontoken permanents with a name originally printed in the Homelands expansion. They can't be regenerated.

Apocalypse Hydra enters the battlefield with X +1/+1 counters on it. If X is 5 or more, it enters the battlefield with an additional X +1/+1 counters on it.

, Remove a +1/+1 counter from Apocalypse Hydra: It deals 1 damage to any target.

Protection from black (This creature can't be blocked, targeted, dealt damage, enchanted, or equipped by anything black.)

: Exile target card from a graveyard.

Flying

When Apothecary Geist enters the battlefield, if you control another Spirit, you gain 3 life.

Vigilance

Whenever you attack, you create a Food token for each player being attacked. (It's an artifact with ", , Sacrifice this artifact: You gain 3 life.")

, , Tap X untapped Foods you control: Create X 1/1 white Human creature tokens.

Target opponent reveals their hand. You choose a card from it with mana value 4 or greater and exile that card.

Whenever you crank Applied Aeronautics, until end of turn, target creature gets +1/+0, gains flying, and becomes an artifact in addition to its other types.

, , Sacrifice Apprentice Necromancer: Return target creature card from your graveyard to the battlefield. That creature gains haste. At the beginning of the next end step, sacrifice it.

: Apprentice Sorcerer deals 1 damage to any target. Activate only during your turn, before attackers are declared.

If this spell was cast from your hand and you've cast another spell named Approach of the Second Sun this game, you win the game. Otherwise, put Approach of the Second Sun into its owner's library seventh from the top and you gain 7 life.

As Aquamorph Entity enters the battlefield or is turned face up, it becomes your choice of 5/1 or 1/5.

Morph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its morph cost.)

Whenever you cast your first instant or sorcery spell each turn, Aquatic Alchemist gets +2/+0 until end of turn.

Enchant creature

Enchanted creature can't be blocked.

Whenever enchanted creature attacks, scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)

, : Target creature gets -2/-0 until end of turn.

Create X 1/2 green Spider creature tokens with reach, where X is the number of creatures attacking you. Prevent all combat damage that would be dealt this turn by non-Spider creatures.

Enchant creature

Enchanted creature can't attack or block, and its activated abilities can't be activated.

At the beginning of the end step, if enchanted creature's power is 4 or greater, destroy Arachnus Web.

Enlist (As this creature attacks, you may tap a nonattacking creature you control without summoning sickness. When you do, add its power to this creature's until end of turn.)

Whenever a creature you control attacks, if it enlisted a creature this combat, the creature that attacked gains double strike until end of turn. If that creature's power is 4 or greater, draw a card.

Whenever the Ring tempts you, if you chose a creature other than Aragorn, Company Leader as your Ring-bearer, put your choice of a counter from among first strike, vigilance, deathtouch, and lifelink on Aragorn.

Whenever you put one or more counters on Aragorn, put one of each of those kinds of counters on up to one other target creature.

Whenever you cast a white spell, create a 1/1 white Human Soldier creature token.

Whenever you cast a blue spell, scry 2.

Whenever you cast a red spell, Aragorn, the Uniter deals 3 damage to target opponent.

Whenever you cast a green spell, target creature gets +4/+4 until end of turn.

, : Arashi, the Sky Asunder deals X damage to target creature with flying.

Channel — , Discard Arashi: Arashi deals X damage to each creature with flying.

Double strike

Whenever Arashin Foremost enters the battlefield or attacks, another target Warrior creature you control gains double strike until end of turn.

Whenever Arashin War Beast deals combat damage to one or more blocking creatures, manifest the top card of your library. (Put it onto the battlefield face down as a 2/2 creature. Turn it face up any time for its mana cost if it's a creature card.)

, Exile cards from your graveyard equal to the number of opponents you have: Target creature card in your graveyard gains encore until end of turn. The encore cost is equal to its mana cost. (Exile the creature card and pay its mana cost: For each opponent, create a token copy that attacks that opponent this turn if able. They gain haste. Sacrifice them at the beginning of the next end step. Activate only as a sorcery.)

When Arbalest Engineers enters the battlefield, choose one —

• Arbalest Engineers deals 1 damage to any target.

• Put a +1/+1 counter on target creature. It gains trample and haste until end of turn.

• Create a tapped Powerstone token. (It's an artifact with ": Add . This mana can't be spent to cast a nonartifact spell.")

Flying

Inspired — Whenever Arbiter of the Ideal becomes untapped, reveal the top card of your library. If it's an artifact, creature, or land card, you may put it onto the battlefield with a manifestation counter on it. That permanent is an enchantment in addition to its other types.

: Untap target Forest.

Flying

When Arborea Pegasus enters the battlefield, target creature gets +1/+1 and gains flying until end of turn.

Reach

When Arboreal Grazer enters the battlefield, you may put a land card from your hand onto the battlefield tapped.

Arc Blade deals 2 damage to any target. Exile Arc Blade with three time counters on it.

Suspend 3— (Rather than cast this card from your hand, you may pay and exile it with three time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, you may cast it without paying its mana cost.)