mtg.wtf

Target creature and all creatures that share a name with that creature gain echo {3} until the end of your next turn. (At the beginning of the upkeep of each of those creature's controllers, if that creature came under its owner's control since the beginning of their last upkeep, they sacrifice it unless they pay its echo cost.)

Exile the top three cards of your library. You may play those cards until end of turn. Put four time counters on each of those cards that has suspend.
Suspend 4—{R}

If a creature you control would untap during your untap step, put two +1/+1 counters on it instead.
Whenever chaos ensues, untap each creature you control.

Each nonland card in your hand without foretell has foretell. Its foretell cost is equal to its mana cost reduced by {2}.
Whenever you cast your second spell each turn, goad target creature an opponent controls.

{1}{U}, {T}: Surveil 1. If all your commanders have been revealed, draw a card instead.

Eelectrocute deals 2 damage to any target.
You may cast Eelectrocute from your graveyard as long as you've rolled a 6 this turn. If you cast Eelectrocute this way and it would be put into your graveyard, exile it instead.

Enlist
Survival — At the beginning of your second main phase, if Effie is tapped, put a +1/+1 counter on each tapped creature you control. Then seek a Survivor card with mana value less than or equal to the number of tapped creatures you control.

Whenever you sacrifice Effluence Devourer or another creature, it perpetually gains "{2}, Exile this card from your graveyard: Create an X/X green Ooze creature token, where X is this card's power. Activate only as a sorcery."
Blitz {B}{R}{G}

Lands you control have "{T}: Refill your mug with a festive drink." (If you don't have a mug, go grab a mug! It's the holidays!)
At the beginning of combat on your turn, if you have a drink 'stache, put two +1/+1 counters on each creature you control.

Vigilance
Constellation — Whenever Eidolon of Astral Winds or another enchantment you control enters, choose target creature you control. Until end of turn, that creature has base power and toughness 4/4 and gains flying.

Whenever a Samurai or Warrior you control attacks alone, it gets +1/+1 until end of turn.

Whenever El-Hajjâj deals damage, you gain that much life.

{0}: The next 1 damage that would be dealt to target creature you control is dealt to you instead.

Menace
Whenever Elder Brain attacks a player, exile all cards from that player's hand, then they draw that many cards. You may play lands and cast spells from among the exiled cards for as long as they remain exiled. If you cast a spell this way, you may spend mana as though it were mana of any color to cast it.

At the beginning of your upkeep, unless you sacrifice an Island, sacrifice Elder Spawn and it deals 6 damage to you.
Elder Spawn can't be blocked by red creatures.

When Elderfang Ritualist dies, you may exile it. If you do, return another target Elf or Tyvar card from your graveyard to your hand.

When Elderleaf Mentor enters, create a 1/1 green Elf Warrior creature token.

Flying, trample, rampage 2
{W}{U}{B}{R}{G}: Elder Dragons you control get +7/+7 until end of turn.
At the beginning of your upkeep, sacrifice Eldest Dragon Highlander unless you pay {W}{U}{B}{R}{G}.

{TK}{TK} — Haste
{TK}{TK}{TK}{TK}{TK} — You may cast this card from your graveyard by paying 2 life in addition to paying its other costs.
{TK}{TK} — 1/4
{TK}{TK}{TK} — 5/3

When Electric Eel enters, it deals 1 damage to you.
{R}{R}: Electric Eel gets +2/+0 until end of turn and deals 1 damage to you.

Electrostatic Blast deals 2 damage to any target. You get a one-time boon with "When you cast an instant or sorcery spell, exile the top three cards of your library. You may play one of those cards until end of turn."

{TK}{TK} — Exile this permanent: You may cast target nonland card from your graveyard this turn.
{TK}{TK}{TK}{TK} — Whenever a creature you control dies, each opponent loses 1 life and you gain 1 life.
{TK}{TK} — 1/5
{TK}{TK}{TK} — 5/4

Investigate X times, then create an 0/0 Blue Elemental creature token. Put +1/+1 counters on that token equal to the number of Clues you control.

[+1]: Venture into the dungeon.
[–2]: Look at the top six cards of your library. You may reveal a creature card from among them and put it into your hand. If it's legendary, you gain 3 life. Put the rest on the bottom of your library in a random order.
[–6]: You get an emblem with "Creatures you control have trample and haste and get +2/+2 for each differently named dungeon you've completed."

For each opponent, you create a token that's a copy of up to one target creature that player controls.