When Endless Horizons enters, search your library for any number of Plains cards, exile them, then shuffle.

At the beginning of your upkeep, you may put a card you own exiled with Endless Horizons into your hand.

Backup 1 (When this creature enters, put a +1/+1 counter on target creature. If that's another creature, it gains the following ability until end of turn.)

When this creature dies, put its counters on target creature you control.

Flash

Whenever a creature you control deals combat damage to a player, draw a card.

When Enduring Curiosity dies, if it was a creature, return it to the battlefield under its owner's control. It's an enchantment. (It's not a creature.)

Lifelink

Whenever one or more other creatures you control with power 2 or less enter, draw a card. This ability triggers only once each turn.

When Enduring Innocence dies, if it was a creature, return it to the battlefield under its owner's control. It's an enchantment. (It's not a creature.)

Flying

Whenever one or more +1/+1 counters are put on another creature you control, you may put a +1/+1 counter on Enduring Scalelord.

Whenever you gain life, target opponent loses that much life.

When Enduring Tenacity dies, if it was a creature, return it to the battlefield under its owner's control. It's an enchantment. (It's not a creature.)

Vigilance

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

When Enduring Vitality dies, if it was a creature, return it to the battlefield under its owner's control. It's an enchantment. (It's not a creature.)

Reveal the top X cards of your library. Put all creature cards revealed this way into your hand and the rest on the bottom of your library in any order.

Put a creature card from a graveyard onto the battlefield under your control. It gains haste until end of turn.

Fuse (You may cast one or both halves of this card from your hand.)

Haste

Whenever Éomer of the Riddermark attacks, if you control a creature with the greatest power among creatures on the battlefield, create a 1/1 white Human Soldier creature token.

Exile the top X cards of your library. You may cast instant and sorcery spells with mana value X or less from among them without paying their mana costs. Then put all cards exiled this way that weren't cast into your graveyard.

Enchant creature

Enchanted creature gets +3/+3.

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

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.)

Each creature that's enchanted by an Aura you control can't attack you or planeswalkers you control.

At the beginning of your end step, each opponent loses X life and you gain X life, where X is the number of Auras you control.

Destroy target tapped creature. You gain 2 life.

Target opponent discards two cards. Create a Wicked Role token attached to up to one target creature you control. (If you control another Role on it, put that one into the graveyard. Enchanted creature gets +1/+1. When this Aura is put into a graveyard, each opponent loses 1 life.)

This spell costs less to cast for each different mana value among instant and sorcery cards in your graveyard.

Flying, prowess

Whenever you cast your second spell each turn, create a 4/4 red Dragon Elemental creature token with flying and prowess.

When Errand-Rider of Gondor enters, draw a card. Then if you don't control a legendary creature, put a card from your hand on the bottom of your library.

Counter target multicolored spell.

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.

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.

You may have Estrid's Invocation enter as a copy of an enchantment you control, except it has "At the beginning of your upkeep, you may exile this enchantment. If you do, return it to the battlefield under its owner's control."

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.)

When Etched Host Doombringer enters, choose one —

• Target opponent loses 2 life and you gain 2 life.

• Choose target battle. If an opponent protects it, remove three defense counters from it. Otherwise, put three defense counters on it.

Flying

Whenever Ethereal Valkyrie enters or attacks, draw a card, then exile a card from your hand face down. It becomes foretold. Its foretell cost is its mana cost reduced by . (On a later turn, you may cast it for its foretell cost, even if this creature has left the battlefield.)

Flash

, , Sacrifice an artifact: Draw a card.

Artifact spells you cast cost less to cast.

: Return Etherium-Horn Sorcerer to its owner's hand.

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.)

You may choose not to untap Everglove Courier during your untap step.

, : Target Elf creature gets +2/+2 and has trample for as long as Everglove Courier remains tapped.

When Excavating Anurid enters, you may sacrifice a land. If you do, draw a card.

Threshold — As long as seven or more cards are in your graveyard, Excavating Anurid gets +1/+1 and has vigilance.

Exile target tapped creature.

Ravenous (This creature enters with X +1/+1 counters on it. If X is 5 or more, draw a card when it enters.)

Bio-plasmic Barrage — When Exocrine enters, it deals X damage to each player and each other creature.

: Put a +1/+2 counter on CARDNAME. ( is paid with one mana from any source that could produce two or more colors of mana.)

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.)

Look at the top three cards of your library. Put one of them into your hand and the rest on the bottom of your library in any order. Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

When Experimental Confectioner enters, create a Food token. (It's an artifact with ", , Sacrifice this artifact: You gain 3 life.")

Whenever you sacrifice a Food, create a 1/1 black Rat creature token with "This creature can't block."

When you unlock this door, manifest dread, then put two +1/+1 counters and a trample counter on that creature.

(You may cast either half. That door unlocks on the battlefield. As a sorcery, you may pay the mana cost of a locked door to unlock it.)

Ward

, Discard two cards: Draft a card from Experimental Pilot's spellbook.

Experimental Pilot crews Vehicles as though its power were 2 greater.

Draw a card, then each other player may draw a card. Whenever a card is drawn this way, Explosion of Riches deals 5 damage to target opponent chosen at random from among your opponents.

Choose one or both —

• Turn target face-down creature face up.

• Exile any number of face-up creatures you control with disguise in a face-down pile, shuffle that pile, then cloak them. (To cloak a card, put it onto the battlefield face down as a 2/2 creature with ward . Turn it face up any time for its mana cost if it's a creature card.)

Flying

At the beginning of your upkeep, sacrifice Extravagant Spirit unless you pay for each card in your hand.

When Extricator of Sin enters, you may sacrifice another permanent. If you do, create a 3/2 colorless Eldrazi Horror creature token.

Delirium — At the beginning of your upkeep, if there are four or more card types among cards in your graveyard, transform Extricator of Sin.

When Eye of Singularity enters, destroy each permanent with the same name as another permanent, except for basic lands. They can't be regenerated.

Whenever a permanent other than a basic land enters, destroy all other permanents with that name. They can't be regenerated.

Whenever a creature you control with power 2 or less enters, you get an experience counter.

At the beginning of combat on your turn, put X +1/+1 counters on another target creature you control, where X is the number of experience counters you have.

When Ezuri, Stalker of Spheres enters, you may pay . If you do, proliferate twice.

Whenever you proliferate, draw a card.

Metalcraft — As long as you control three or more artifacts, Ezuri's Brigade gets +4/+4 and has trample.

Search your library for an artifact card, reveal it, put it into your hand, then shuffle.

Whenever you get one or more (energy counters), put a +1/+1 counter on target creature you control.

, : You get .

Create two 1/1 blue Faerie creature tokens with flying. When you do, tap target creature an opponent controls.

Flying

Whenever a nontoken creature an opponent controls enters, create a token that's a copy of that creature except it's an artifact in addition to its other types. Then exile all other tokens created with Faerie Artisans.