mtg.wtf

Whenever a Sliver deals damage, its controller gains that much life.

Whenever another creature enters, you gain 1 life.

Flying
Whenever Essence of Orthodoxy or another Phyrexian you control enters, incubate 2.

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
When Etali, Primal Conqueror enters, each player exiles cards from the top of their library until they exile a nonland card. You may cast any number of spells from among the nonland cards exiled this way without paying their mana costs.
{9}{G/P}: Transform Etali. Activate only as a sorcery.

Trample, indestructible
Whenever Etali, Primal Sickness deals combat damage to a player, they get that many poison counters.

Whenever Etali attacks, exile the top card of each player's library, then you may cast any number of spells from among those cards without paying their mana costs.

Metalcraft — Etched Champion has protection from each color as long as you control three or more artifacts.

Etched Monstrosity enters with five -1/-1 counters on it.
{W}{U}{B}{R}{G}, Remove five -1/-1 counters from Etched Monstrosity: Target player draws three cards.

You may pay {W}{U}{B}{R}{G} rather than pay the mana cost for spells that you cast.

As Etchings of the Chosen enters, choose a creature type.
Creatures you control of the chosen type get +1/+1.
{1}, Sacrifice a creature of the chosen type: Target creature you control gains indestructible until end of turn.

Search target opponent's library for an artifact, creature, enchantment, or land card. Put that card onto the battlefield under your control. Then that player shuffles.
Epic

Flying
{3}{W}{W}: Return Eternal Dragon from your graveyard to your hand. Activate only during your upkeep.
Plainscycling {2}

Eternal Flame deals X damage to target opponent or planeswalker and half X damage, rounded up, to you, where X is the number of Mountains you control.

You may cast Eternal Scourge from exile.
When Eternal Scourge becomes the target of a spell or ability an opponent controls, exile Eternal Scourge.

When Eternal Witness enters, you may return target card from your graveyard to your hand.

Creatures you control get +1/+1.
Creatures your opponents control get -1/-1.
{2}{W}{B}: Exile target card from an opponent's graveyard. If it was a creature card, you create a 1/1 white and black Spirit creature token with flying.

Enchant creature
Enchanted creature gets +1/+1 for each enchantment you control and has first strike.

Pay 1 life: Prevent the next 1 damage that would be dealt to Ethereal Champion this turn.

Trample
When Ethereal Elk enters, you may search your library and/or graveyard for a card named Vivien, Nature's Avenger, reveal it, and put it into your hand. If you search your library this way, shuffle.

Delve
Flying
Whenever Ethereal Forager attacks, you may return an instant or sorcery card exiled with Ethereal Forager to its owner's hand.

Flying
When Ethereal Investigator enters, investigate X times, where X is the number of opponents you have.
Whenever you draw your second card each turn, create a 1/1 white Spirit creature token with flying.

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 {2}.

Artifact spells you cast cost {1} less to cast.

{1}{U}{R}: Return Etherium-Horn Sorcerer to its owner's hand.
Cascade