Boxing Day

When Chthonian Nightmare enters the battlefield, you get {E}{E}{E} (three energy counters). Pay X {E}, Sacrifice a creature, Return Chthonian Night...

When Chthonian Nightmare enters the battlefield, you get {E}{E}{E} (three energy counters). Pay X {E}, Sacrifice a creature, Return Chthonian Night...

At the beginning of your upkeep, you may sacrifice a token. If you do, put an acorn counter on this artifact. Squirrels you control get +1/+1 for e...

Gain control of target spell that targets only a single permanent or player. Copy it, then reselect the targets at random for the spell and the cop...

Whenever Carth enters or a planeswalker you control dies, look at the top seven cards of your library. You may reveal a planeswalker card from amon...

Reveal cards from the top of your library until you reveal a nonland card. Put the revealed cards on the bottom of your library in a random order. ...

When this creature enters, create a 1/1 colorless Thopter artifact creature token with flying. {T}, Sacrifice an artifact: Choose one — • Exile the...

This creature can't block. Delirium — This spell has cascade as long as there are four or more card types among cards in your graveyard. (When you ...

As long as you've discarded a card this turn, you may pay {B/R} to cast this spell. When Asmoranomardicadaistinaculdacar enters, you may search you...

{T}, Pay 1 life, Sacrifice this land: Search your library for a Mountain or Plains card, put it onto the battlefield, then shuffle.

Storm (When you cast this spell, copy it for each spell cast before it this turn. Copies become tokens.) Aeve isn't legendary if it's a token. Aeve...

If you would create a Clue, Food, or Treasure token, instead create one of each.

Flying, double strike, vigilance, trample, indestructible

Whenever a creature you control enters, it deals damage equal to its power to any target.

{T}: Add {C}. {T}: Add one mana of any color. Spend this mana only to cast a Ninja or Turtle spell. {3}, {T}: Target Ninja or Turtle can't be block...

Flying The Goose Mother enters with X +1/+1 counters on it. When The Goose Mother enters, create half X Food tokens, rounded up. Whenever The Goose...

Exile target creature. Its controller gains life equal to its power.

Prowl {2}{B} (You may cast this for its prowl cost if you dealt combat damage to a player this turn with a Goblin or Rogue.) When this creature ent...

Ward {2} At the beginning of your first main phase, add {G}{G}.

As this artifact enters, choose a creature type. Whenever you cast a spell of the chosen type, put a charge counter on this artifact. Creatures you...

Counter target spell.

Flying (This creature can't be blocked except by creatures with flying or reach.) Whenever Appa attacks, another target attacking creature without ...

Flying Vigilance (Attacking doesn't cause this creature to tap.)

Echo {G} (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its...