Boxing Day

Feedback Bolt deals damage to target player or planeswalker equal to the number of artifacts you control.

Trample At the beginning of your upkeep, sacrifice Cosmic Larva unless you sacrifice two lands.

{U}, Discard an artifact card: Search your library for an artifact card with mana value 1 or less, reveal it, put it into your hand, then shuffle.

Target player takes an extra turn after this one. Shuffle Beacon of Tomorrows into its owner's library.

{1}{W}: Return target artifact card with mana value 1 or less from your graveyard to your hand.

When Trinket Mage enters the battlefield, you may search your library for an artifact card with mana value 1 or less, reveal that card, put it into...

{T}: Draw a card, then discard a card.

Search target opponent's library for an artifact card and put that card onto the battlefield under your control. Then that player shuffles.

You may cast spells as though they had flash.

Sacrifice an artifact: Thermal Navigator gains flying until end of turn.

When you control no other artifacts, sacrifice Synod Centurion.

Sunburst (This enters the battlefield with a +1/+1 counter on it for each color of mana spent to cast it.)

Flying, double strike

Sunburst (This enters the battlefield with a +1/+1 counter on it for each color of mana spent to cast it.) {4}, {T}, Remove a +1/+1 counter from S...

{T}: Create a 2/2 colorless Pincher creature token. Whenever an artifact is put into a graveyard from the battlefield, you may untap Summoning Stat...

Target creature gets +1/+1 until end of turn. Scry 2. (Look at the top two cards of your library, then put any number of them on the bottom of your...

{2}, {T}, Sacrifice Wayfarer's Bauble: Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

Equipped creature gets +1/+0 for each artifact you control. {B}{B}: Attach Cranial Plating to target creature you control. Equip {1}

{T}, Sacrifice Conjurer's Bauble: Put up to one target card from your graveyard on the bottom of your library. Draw a card.

Sacrifice Composite Golem: Add {W}{U}{B}{R}{G}.

Tap two untapped artifacts you control: Untap target artifact.

Vigilance {W}: Loxodon Stalwart gets +0/+1 until end of turn.

At the beginning of your upkeep, choose one — • Put a +1/+1 counter on target artifact creature. • Put a charge counter on target noncreature artif...

{3}, {T}: Double the amount of each type of unspent mana you have.