Doubling Cube

Artifact

, : Double the amount of each type of unspent mana you have.

Dragon's Claw

Artifact

Whenever a player casts a red spell, you may gain 1 life.

Dream Chisel

Artifact

Face-down creature spells you cast cost less to cast.

Dredging Claw

Artifact — Equipment

Equipped creature gets +1/+0 and has menace. (It can't be blocked except by two or more creatures.)
Whenever a creature enters the battlefield from your graveyard, you may attach Dredging Claw to it.
Equip (: Attach to target creature you control. Equip only as a sorcery.)

Eager Construct

Artifact Creature — Construct (2/2)

When Eager Construct enters the battlefield, each player may scry 1. (To scry 1, look at the top card of your library, then you may put that card on the bottom of your library.)

Elsewhere Flask

Artifact

When Elsewhere Flask enters the battlefield, draw a card.
Sacrifice Elsewhere Flask: Choose a basic land type. Each land you control becomes that type until end of turn.

Elven Lyre

Artifact

, , Sacrifice Elven Lyre: Target creature gets +2/+2 until end of turn.

Embalmer's Tools

Artifact

Activated abilities of creature cards in your graveyard cost less to activate.
Tap an untapped Zombie you control: Target player mills a card.

Emerald Medallion

Artifact

Green spells you cast cost less to cast.

Empyrial Plate

Artifact — Equipment

Equipped creature gets +1/+1 for each card in your hand.
Equip

Endless Atlas

Artifact

, : Draw a card. Activate only if you control three or more lands with the same name.

Endoskeleton

Artifact

You may choose not to untap Endoskeleton during your untap step.
, : Target creature gets +0/+3 for as long as Endoskeleton remains tapped.

Energy Chamber

Artifact

At the beginning of your upkeep, choose one —
• Put a +1/+1 counter on target artifact creature.
• Put a charge counter on target noncreature artifact.

Enraged Killbot

Artifact Creature — Killbot (2/1)

Ent-Draught Basin

Artifact

, : Put a +1/+1 counter on target creature with power X. Activate only as a sorcery.

Epochrasite

Artifact Creature — Construct (1/1)

Epochrasite enters the battlefield 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.)

Essence Bottle

Artifact

, : 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.

Excavator

Artifact

, Sacrifice a basic land: Target creature gains landwalk of each of the land types of the sacrificed land until end of turn. (It can't be blocked as long as defending player controls a land of any of those types.)

Executioner's Hood

Artifact — Equipment

Equipped creature has intimidate. (This creature can't be blocked except by artifact creatures and/or creatures that share a color with it.)
Equip (: Attach to target creature you control. Equip only as a sorcery.)

Expert-Level Safe

Artifact

When Expert-Level Safe enters the battlefield, exile the top two cards of your library face down.
, : You and target opponent each secretly choose 1, 2, or 3. Then those choices are revealed. If they match, sacrifice Expert-Level Safe and put all cards exiled with it into their owners' hands. Otherwise, exile the top card of your library face down.