Boxing Day

Flying (This creature can't be blocked except by creatures with flying or reach.)

At the beginning of your upkeep, return a black creature you control to its owner's hand. {1}{B}: Regenerate Skull Collector.

Maga, Traitor to Mortals enters the battlefield with X +1/+1 counters on it. When Maga enters the battlefield, target player loses life equal to th...

Each opponent's maximum hand size is reduced by two.

At the beginning of the end step, if three or more creatures died this turn, flip Kuon, Ogre Ascendant.

Protection from white Bushido 1 (Whenever this creature blocks or becomes blocked, it gets +1/+1 until end of turn.)

Flying Soramaro, First to Dream's power and toughness are each equal to the number of cards in your hand. {4}, Return a land you control to its own...

As long as you have more cards in hand than each opponent, Secretkeeper gets +2/+2 and has flying.

You may have Sakashima the Impostor enter the battlefield as a copy of any creature on the battlefield, except its name is Sakashima the Impostor, ...

At the beginning of each player's draw step, that player draws an additional card.

Flying Whenever the fourth spell of a turn is cast, flip Erayo, Soratami Ascendant.

Flying Whenever you cast a Spirit or Arcane spell, you may have target player put the top X cards of their library into their graveyard, where X is...

Flying Whenever you cast a Spirit or Arcane spell, destroy all permanents with that spell's converted mana cost.

When you have 30 or more life, flip Rune-Tail, Kitsune Ascendant.

When Nikko-Onna enters the battlefield, destroy target enchantment. Whenever you cast a Spirit or Arcane spell, you may return Nikko-Onna to its ow...

Whenever a source an opponent controls deals damage to you, that player sacrifices a permanent.

Reveal your hand: If you have seven or more land cards in your hand, flip Sasaya, Orochi Ascendant.

Whenever you cast a legendary spell, draw a card.

All artifacts have "At the beginning of your upkeep, sacrifice this artifact unless you pay {1}."

Protection from black Bushido 1 (Whenever this creature blocks or becomes blocked, it gets +1/+1 until end of turn.)

{X}{R}, {T}: Jiwari, the Earth Aflame deals X damage to target creature without flying. Channel — {X}{R}{R}{R}, Discard Jiwari: Jiwari deals X dama...

Homura, Human Ascendant can't block. When Homura dies, return it to the battlefield flipped.

When Yukora, the Prisoner leaves the battlefield, sacrifice all non-Ogre creatures you control.

Bushido 1 (Whenever this creature blocks or becomes blocked, it gets +1/+1 until end of turn.) Whenever a creature an opponent controls dies, you m...