Boxing Day

At the beginning of each upkeep, if no spells were cast last turn, transform Lambholt Elder.

Whenever you cast a Spirit or Arcane spell, you may put a ki counter on Budoka Pupil. At the beginning of the end step, if there are two or more ki...

Each artifact spell costs {1} more to cast for each artifact its controller controls.

If you tap a permanent for mana, it produces twice as much of that mana instead.

Exalted (Whenever a creature you control attacks alone, that creature gets +1/+1 until end of turn.) When Rhox Bodyguard enters the battlefield, yo...

Trample Soulshift 8 (When this creature dies, you may return target Spirit card with mana value 8 or less from your graveyard to your hand.)

Reach (This creature can block creatures with flying.) Wither (This deals damage to creatures in the form of -1/-1 counters.)

Trample Cumulative upkeep—Put a +1/+1 counter on a creature an opponent controls. (At the beginning of your upkeep, put an age counter on this perm...

Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.) You may have Spinebi...

At the beginning of your upkeep, put a +1/+1 counter on each creature you control if you control a creature with power 5 or greater. Then you gain ...

Protection from everything If Progenitus would be put into a graveyard from anywhere, reveal Progenitus and shuffle it into its owner's library in...

Create a 3/3 green Elephant creature token. Flashback {3}{G} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Whenever Groffskithur becomes blocked, you may return target card named Groffskithur from your graveyard to your hand.

Reach (This creature can block creatures with flying.) Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.)

Destroy target land. You gain 2 life.

{X}{G}, {T}: Arashi, the Sky Asunder deals X damage to target creature with flying. Channel — {X}{G}{G}, Discard Arashi: Arashi deals X damage to e...

Metalcraft — As long as you control three or more artifacts, Ezuri's Brigade gets +4/+4 and has trample.

{T}, Exile a Treefolk card from your graveyard: Search your library for up to two Forest cards, put them onto the battlefield tapped, then shuffle.

At the beginning of your upkeep, reveal the top card of your library. If it's a creature card, put it onto the battlefield. That creature gains has...

Whenever you cast a multicolored spell, Gloryscale Viashino gets +3/+3 until end of turn.

Trample Whenever Hungry Spriggan attacks, it gets +3/+3 until end of turn.

First strike {T}: Destroy target artifact if its mana value is equal to the amount of unspent mana you have.