Boxing Day

Whenever you activate an ability of an artifact or creature that isn't a mana ability, Crackdown Construct gets +1/+1 until end of turn.

{T}: You get {E} (an energy counter). {T}, Pay {E}{E}{E}: Consulate Turret deals 2 damage to target player or planeswalker.

Crew 6 (Tap any number of creatures you control with total power 6 or more: This Vehicle becomes an artifact creature until end of turn.)

Flying When Aethersphere Harvester enters the battlefield, you get {E}{E} (two energy counters). Pay {E}: Aethersphere Harvester gains lifelink unt...

Flying When Spire Patrol enters the battlefield, tap target creature an opponent controls. That creature doesn't untap during its controller's nex...

Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for {1}.) When Maverick...

When Oath of Ajani enters the battlefield, put a +1/+1 counter on each creature you control. Planeswalker spells you cast cost {1} less to cast.

Each opponent sacrifices a creature or planeswalker, then discards a card. You return a creature or planeswalker card from your graveyard to your h...

[+2]: Reveal the top three cards of your library. Put all nonland permanent cards revealed this way into your hand and the rest on the bottom of yo...

Enchant land Enchanted land has "{T}: Add one mana of any color." Sacrifice Unbridled Growth: Draw a card.

Draw cards equal to the greatest power among creatures you control. You may cast a spell with mana value 5 or less from your hand without paying it...

When Rishkar, Peema Renegade enters the battlefield, put a +1/+1 counter on each of up to two target creatures. Each creature you control with a c...

When Ridgescale Tusker enters the battlefield, put a +1/+1 counter on each other creature you control.

Enchant artifact or creature Enchanted permanent doesn't untap during its controller's untap step.

Whenever you cast an artifact spell, create a 1/1 colorless Thopter artifact creature token with flying.

Double strike Revolt — At the beginning of your end step, if a permanent you controlled left the battlefield this turn, put a +1/+1 counter on Sole...

At the beginning of your upkeep, scry 1. Whenever you cast a creature spell, you may pay {G}. If you do, draw a card.

Nonartifact spells you cast have improvise. (Your artifacts can help cast those spells. Each artifact you tap after you're done activating mana abi...

Flying Sacrifice Hope of Ghirapur: Until your next turn, target player who was dealt combat damage by Hope of Ghirapur this turn can't cast noncre...

{B}, Sacrifice this artifact: Target player discards a card. Activate only as a sorcery. When this artifact is put into a graveyard from the battle...

When this creature enters, you may have target creature get -1/-1 until end of turn.

First strike When this creature enters, you get {E}{E} (two energy counters). Whenever this creature attacks, you may pay {E}{E}. If you do, create...

{4}{W}: Return another target creature you control to its owner's hand.