Boxing Day

Whenever a player taps a nonbasic land for mana, Burning Earth deals 1 damage to that player.

Sliver creatures you control have double strike. (They deal both first-strike and regular combat damage.)

Sliver creatures you control have vigilance. (Attacking doesn't cause them to tap.)

Sliver creatures you control have "{T}: Add one mana of any color."

Indestructible {T}: Add one mana of any color.

At the beginning of each end step, if you gained 4 or more life this turn, create a 4/4 white Angel creature token with flying.

{2}, {T}: You gain 5 life. Shuffle Elixir of Immortality and your graveyard into their owner's library.

Equipped creature has double strike. (It deals both first-strike and regular combat damage.) Equip {2} ({2}: Attach to target creature you control....

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

Whenever another creature enters the battlefield under your control, that creature gets +2/+0 and gains haste until end of turn. (It can attack and...

Counter target noncreature spell.

Search your library for a card and put that card into your hand. Then shuffle your library.

Vastwood Hydra enters the battlefield with X +1/+1 counters on it. When Vastwood Hydra dies, you may distribute a number of +1/+1 counters equal to...

Sliver creatures you control have haste. (They can attack and {T} as soon as they come under your control.)

A deck can have any number of cards named Shadowborn Apostle. {B}, Sacrifice six creatures named Shadowborn Apostle: Search your library for a Demo...

Enchant permanent Enchanted permanent has indestructible. (Effects that say "destroy" don't destroy that permanent. A creature with indestructible ...

Whenever you cast a white spell or a Plains enters the battlefield under your control, you gain 1 life.

{T}: Add {C}. {1}: Mutavault becomes a 2/2 creature with all creature types until end of turn. It's still a land.

Flying

Whenever a creature you control dies, you draw a card and you lose 1 life.

Enchant Equipment At the beginning of your upkeep, if enchanted Equipment is attached to a creature, destroy that creature.

As an additional cost to cast this spell, sacrifice a creature. Draw two cards.

When Archaeomancer enters the battlefield, return target instant or sorcery card from your graveyard to your hand.

Whenever you cast a black spell or a Swamp enters the battlefield under your control, you gain 1 life.