Menace

Whenever Dreamstealer deals combat damage to a player, that player discards that many cards.

Eternalize (, Exile this card from your graveyard: Create a token that's a copy of it, except it's a 4/4 black Zombie Human Wizard with no mana cost. Eternalize only as a sorcery.)

First strike

Whenever Dromoka Captain attacks, bolster 1. (Choose a creature with the least toughness among creatures you control and put a +1/+1 counter on it.)

Drover of the Mighty gets +2/+2 as long as you control a Dinosaur.

: Add one mana of any color.

, , Sacrifice Druid Lyrist: Destroy target enchantment.

When Druid of Purification enters the battlefield, starting with you, each player may choose an artifact or enchantment you don't control. Destroy each permanent chosen this way.

Flash

When Dualcaster Mage enters the battlefield, copy target instant or sorcery spell. You may choose new targets for the copy.

First strike

Coven — At the beginning of combat on your turn, if you control three or more creatures with different powers, target creature you control gains double strike until end of turn.

Flying, vigilance

Duelist of the Mind's power is equal to the number of cards you've drawn this turn.

Whenever you commit a crime, you may draw a card. If you do, discard a card. This ability triggers only once each turn.

At the beginning of combat on your turn, another target creature you control gains haste and myriad until end of turn. (Whenever it attacks, for each opponent other than defending player, you may create a token that's a copy of that creature that's tapped and attacking that player or a planeswalker they control. Exile the tokens at end of combat.)

Protection from green

At the beginning of each end step, if Dunerider Outlaw dealt damage to an opponent this turn, put a +1/+1 counter on it.

When Duskfang Mentor enters the battlefield, put a lifelink counter on target non-Human creature you control.

, : Put a +1/+1 counter on each creature you control with lifelink.

Duskmantle Operative can't be blocked by creatures with power 4 or greater.

: Look at the top three cards of your library. You may reveal a creature card from among them and put it into your hand. Put the rest on the bottom of your library in any order.

At the beginning of each upkeep, if no spells were cast last turn, transform Duskwatch Recruiter.

Haste

You may activate abilities of other creatures you control as though those creatures had haste.

: When you next activate an ability that isn't a mana ability this turn by spending four or more mana to activate it, copy that ability. You may choose new targets for the copy.

Magecraft — Whenever you cast or copy an instant or sorcery spell, Eager First-Year gets +1/+0 until end of turn.

When Easterling Vanguard dies, amass Orcs 1. (Put a +1/+1 counter on an Army you control. It's also an Orc. If you don't control an Army, create a 0/0 black Orc Army creature token first.)

Whenever Ebonblade Reaper attacks, you lose half your life, rounded up.

Whenever Ebonblade Reaper deals combat damage to a player, that player loses half their life, rounded up.

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

Level up (: Put a level counter on this. Level up only as a sorcery.)

LEVEL 2-3

2/4

, : Copy target instant or sorcery spell. You may choose new targets for the copy.

LEVEL 4+

2/5

, : Copy target instant or sorcery spell twice. You may choose new targets for the copies.

, Sacrifice another creature: Draw a card, then transform Ecstatic Awakener. Activate only once each turn.

Whenever you cast a creature spell that has an Adventure, draw a card. (It doesn't need to have gone on the adventure first.)

Flying

At the beginning of your upkeep, return a white creature you control to its owner's hand.

When Elder Cathar dies, put a +1/+1 counter on target creature you control. If that creature is a Human, put two +1/+1 counters on it instead.

Artifacts you control have ward . (Whenever an artifact you control becomes the target of a spell or ability an opponent controls, counter it unless that player pays .)

When Elder Owyn Lyons enters the battlefield or dies, return target artifact card from your graveyard to your hand.

Soulbond (You may pair this creature with another unpaired creature when either enters the battlefield. They remain paired for as long as you control both of them.)

As long as Elgaud Shieldmate is paired with another creature, both creatures have hexproof. (They can't be the targets of spells or abilities your opponents control.)

When Elite Arcanist enters the battlefield, you may exile an instant card from your hand.

, : Copy the exiled card. You may cast the copy without paying its mana cost. X is the mana value of the exiled card.

, : Tap target creature.

Menace (This creature can't be blocked except by two or more creatures.)

, Sacrifice another creature or an artifact: Elite Headhunter deals 2 damage to target creature or planeswalker.

When Elite Instructor enters the battlefield, draw a card, then discard a card.

When Elite Scaleguard enters the battlefield, bolster 2. (Choose a creature with the least toughness among creatures you control and put two +1/+1 counters on it.)

Whenever a creature you control with a +1/+1 counter on it attacks, tap target creature defending player controls.

Flying

When Elite Spellbinder enters the battlefield, look at target opponent's hand. You may exile a nonland card from it. For as long as that card remains exiled, its owner may play it. A spell cast this way costs more to cast.

, Exile a creature card from your graveyard: Discover X, where X is the mana value of the exiled card. Activate only as a sorcery. (Exile cards from the top of your library until you exile a nonland card with that mana value 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.)

: Look at the top X cards of your library, where X is the number of tokens you created this turn. Put one of those cards into your hand and the rest on the bottom of your library in a random order.

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

When Elspeth's Devotee enters the battlefield, you may search your library and/or graveyard for a card named Elspeth, Undaunted Hero, reveal it, and put it into your hand. If you search your library this way, shuffle.

Whenever you cast a noncreature spell, Elusive Spellfist gets +1/+0 until end of turn and can't be blocked this turn.

, Sacrifice Embereth Veteran: Create a Young Hero Role token attached to another target creature. (If you control another Role on it, put that one into the graveyard. Enchanted creature has "Whenever this creature attacks, if its toughness is 3 or less, put a +1/+1 counter on it.")

Embraal Bruiser enters the battlefield tapped.

Embraal Bruiser has menace as long as you control an artifact.

: Put a +1/+1 counter on another target creature, then Embrose, Dean of Shadow deals 2 damage to that creature.

Whenever a creature you control with a +1/+1 counter on it dies, draw a card.

Whenever Emissary Green attacks, starting with you, each player votes for profit or security. You create a number of Treasure tokens equal to twice the number of profit votes. Put a number of +1/+1 counters on each creature you control equal to the number of security votes.

Whenever Emperor's Vanguard deals combat damage to a player, it 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.)

, Sacrifice Emrakul's Evangel and any number of other non-Eldrazi creatures: Create a 3/2 colorless Eldrazi Horror creature token for each creature sacrificed this way.

Whenever you cast a creature spell, create X 1/1 black Thrull creature tokens, where X is that spell's mana value.

When you control seven or more Thrulls, sacrifice Endrek Sahr, Master Breeder.

When Enlightened Maniac enters the battlefield, create a 3/2 colorless Eldrazi Horror creature token.

Dethrone (Whenever this creature attacks the player with the most life or tied for most life, put a +1/+1 counter on it.)

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.

Haste

Whenever one or more other attacking legendary creatures you control die, untap all creatures you control. After this phase, there is an additional combat phase. This ability triggers only once each turn.

At the beginning of combat on your turn, target creature gains your choice of first strike or vigilance until end of turn. If that creature is equipped, it gains first strike and vigilance until end of turn instead.

Equip abilities you activate cost less to activate.

: Tap target creature with power 3 or less.

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.