Reveal the top X plus one cards of your library and separate them into two piles. An opponent chooses one of those piles. Put that pile into your hand and the other into your graveyard.

Veil of Time — Whenever Epistolary Librarian attacks, you may cast a spell with mana value X or less from your hand without paying its mana cost, where X is the number of attacking creatures.

Epochrasite enters with three +1/+1 counters on it if you didn't cast it from your hand.

When Epochrasite dies, exile it with three time counters on it and it gains suspend. (At the beginning of its owner's upkeep, they remove a time counter. When the last is removed, they may cast this card without paying its mana cost. It has haste.)

Enchant creature

Enchanted creature gets +3/+3.

As long as enchanted creature is a Human, it has trample.

Whenever an artifact or Artificer you control enters, you may pay . If you do, you get (two energy counters).

Pay six , Sacrifice Era of Innovation: Draw three cards.

Flying, lifelink, hexproof from planeswalkers

Boast — , Sacrifice a creature: Each opponent sacrifices a creature or planeswalker. (Activate only if this creature attacked this turn and only once each turn.)

Flying

Whenever the fourth spell of a turn is cast, flip Erayo, Soratami Ascendant.

Flying

Whenever you investigate for the first time each turn, investigate an additional time.

Indestructible

As long as your devotion to black is less than five, Erebos isn't a creature.

Whenever another creature you control dies, you may pay 2 life. If you do, draw a card.

, Sacrifice another creature: Target creature gets -2/-1 until end of turn.

Choose one —

• Target creature gets -X/-X until end of turn. You gain X life.

• Exile up to twice X target cards from graveyards.

Whenever players finish voting, each opponent who voted for a choice you voted for creates a Treasure token. You scry X, where X is the number of opponents who voted for a choice you didn't vote for. Draw a card.

Lifelink

Whenever an Aura you control becomes attached to a nonland permanent an opponent controls with mana value less than or equal to that Aura's mana value, gain control of that permanent for as long as that Aura is attached to it.

When Eriette's Tempting Apple enters, gain control of target creature until end of turn. Untap that creature. It gains haste until end of turn.

, , Sacrifice Eriette's Tempting Apple: You gain 3 life.

, , Sacrifice Eriette's Tempting Apple: Target opponent loses 3 life.

Deathtouch

Whenever Erinis, Gloom Stalker attacks, return target land card from your graveyard to the battlefield.

Choose a Background (You can have a Background as a second commander.)

Whenever Erithizon attacks, put a +1/+1 counter on target creature of defending player's choice.

Haste

: Regenerate Eron the Relentless.

Flash

Flying

You may look at the top card of your library any time.

You may cast spells with flash or flying from the top of your library.

Flying

Suspend 4— (Rather than cast this card from your hand, you may pay and exile it with four 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. It has haste.)

Flash

Defender, haste

, : Copy target spell you control that wasn't cast. You may choose new targets for the copy.

Flying, vigilance

Eerie — Whenever an enchantment you control enters and whenever you fully unlock a Room, Erratic Apparition gets +1/+1 until end of turn.

Choose any target. Reveal cards from the top of your library until you reveal a nonland card. Erratic Explosion deals damage equal to that card's mana value to that permanent or player. Put the revealed cards on the bottom of your library in any order.

, : Return target creature to its owner's hand unless its controller pays .

Counter target multicolored spell.

Discard a creature card: Erstwhile Trooper gets +2/+2 and gains trample until end of turn. Activate only once each turn.

, , Sacrifice a creature or enchantment: Counter target spell.

Phasing (This phases in or out before you untap during each of your untap steps. While it's phased out, it's treated as though it doesn't exist.)

When Ertai's Familiar phases out or leaves the battlefield, mill three cards.

: Until your next upkeep, Ertai's Familiar can't phase out.

This spell costs less to cast if an opponent cast two or more spells this turn.

Counter target spell.

When Ertha Jo, Frontier Mentor enters, create a 1/1 red Mercenary creature token with ": Target creature you control gets +1/+0 until end of turn. Activate only as a sorcery."

Whenever you activate an ability that targets a creature or player, copy that ability. You may choose new targets for the copy.

Whenever Erupting Dreadwolf attacks, it deals 2 damage to any target.

Escape Artist can't be blocked.

, Discard a card: Return Escape Artist to its owner's hand.

Target creature gets +1/+3 and gains flying until end of turn. Untap it.

: Return target white or black creature you control to its owner's hand.

, Sacrifice Escape Tunnel: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

, Sacrifice Escape Tunnel: Target creature with power 2 or less can't be blocked this turn.

Whenever Escaped Experiment attacks, target creature an opponent controls gets -X/-0 until end of turn, where X is the number of artifacts you control.

Defender (This creature can't attack.)

Reach (This creature can block creatures with flying.)

Other creatures you control get +1/+0.

Whenever you attack with two or more creatures, draw a card.

When Esika's Chariot enters, create two 2/2 green Cat creature tokens.

Whenever Esika's Chariot attacks, create a token that's a copy of target token you control.

Crew 4

Whenever you sacrifice Esoteric Duplicator or another artifact, you may pay . If you do, at the beginning of the next end step, create a token that's a copy of that artifact.

, Sacrifice Esoteric Duplicator: Draw a card.

Flying

As long as you control another multicolored permanent, Esper Stormblade gets +1/+1 and has flying.

, : Put an elixir counter on Essence Bottle.

, Remove all elixir counters from Essence Bottle: You gain 2 life for each elixir counter removed this way.

Devoid (This card has no color.)

: Target opponent loses 1 life and you gain 1 life. ( represents colorless mana.)

Destroy all enchantments or all nonwhite enchantments.

Target player loses X life and you gain X life, where X is the greatest power among creatures you control.

Disguise (You may cast this card face down for as a 2/2 creature with ward . Turn it face up any time for its disguise cost.)

When Essence of Antiquity is turned face up, creatures you control gain hexproof until end of turn. Untap them.

Creatures you control enter as a copy of Essence of the Wild.

Whenever a creature you control mutates, put a +1/+1 counter on that creature and you gain 2 life.

+2: Untap each enchanted permanent you control.

−1: Create a white Aura enchantment token named Mask attached to another target permanent. The token has enchant permanent and umbra armor.

−7: Mill seven cards. Return all non-Aura enchantment cards from your graveyard to the battlefield, then do the same for Aura cards.

Estrid, the Masked can be your commander.

Whenever Estwald Shieldbasher attacks, you may pay . If you do, it gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.)

Trample, indestructible

Whenever Etali, Primal Sickness deals combat damage to a player, they get that many poison counters. (A player with ten or more poison counters loses the game.)

Enchant creature you control

When Etali's Favor enters, discover 3. (Exile cards from the top of your library until you exile a nonland card with mana value 3 or less. Cast it without paying its mana cost or put it into your hand. Put the rest on the bottom in a random order.)

Enchanted creature gets +1/+1 and has trample.