MagicField guides
UB

Artifact Control

Blue–Black (UB)

Use artifacts that replace themselves to fuel sacrifice and card flow while removal buys time for flyers or Spacecraft.

Designed55.4% game win · 53,334 games · +0.1 vs 55.3% average · Premier Draft, Jul 29–Sep 1, 2025 · 17Lands ↗
Mode

How it wins

Use artifacts that replace themselves to fuel sacrifice and card flow while removal buys time for flyers or Spacecraft.

Early
Develop an early creature and the colored mana your hand needs.
Middle
Play Cryogen Relic, then sacrifice it to Selfcraft Mechan. The Relic’s leave trigger adds a separate card to the Mechan’s counter-and-draw reward.
Finish
Use artifacts that replace themselves to fuel sacrifice and card flow while removal buys time for flyers or Spacecraft.

What it needs

Commit when repeated useful cards and enough support make a complete deck in these colors.

Four checks while you draft

  1. 1
    A functional opening

    Can I affect the board before the payoff?

    It replaces itself on entry and again when it leaves. Sacrificing it to another effect still gets the leave trigger, but does not also activate its own stun ability.

  2. 2
    The cards that make it work

    Do my actual cards enable this plan?

    Play Cryogen Relic, then sacrifice it to Selfcraft Mechan. The Relic’s leave trigger adds a separate card to the Mechan’s counter-and-draw reward.

  3. 3
    Interaction and a finish

    Can I stop their strongest play and finish a stalled game?

    Use artifacts that replace themselves to fuel sacrifice and card flow while removal buys time for flyers or Spacecraft.

Choose the missing job before another reward that needs it.

What to take next

The key card is present but its support is thin.

Prioritize useful support such as Cryogen Relic or Selfcraft Mechan.

Play Cryogen Relic, then sacrifice it to Selfcraft Mechan. The Relic’s leave trigger adds a separate card to the Mechan’s counter-and-draw reward.

Your deck already enables the plan but is losing the early turns.

Take a castable early creature or efficient answer before a second expensive payoff.

Expensive artifacts are not all disposable. Keep enough early creatures and cheap artifacts to pay costs without giving away the board.

The support is missing

Favor independently useful creatures and interaction if the narrow support does not arrive.

Signals to watch
  • More than one late card such as Cryogen Relic or Selfcraft Mechan is stronger evidence than one gold card.

Repeated useful cards are clues, not proof that the colors are open.

Don’t
Avoid the setup mistake

Expensive artifacts are not all disposable. Keep enough early creatures and cheap artifacts to pay costs without giving away the board.

Playing against this plan

Pressure their life before the extra cards matter. Exile a recurring threat and avoid spending removal merely to trigger a Relic they wanted to lose.

Best commons & uncommons

17Lands ↗ · Jul 29–Sep 1, 2025 · at least 100 card-in-hand instances in this pair’s no-splash decks. Choose the job your deck needs first.

Bombs in these colors

17Lands Premier Draft ↗ · Jul 29–Sep 1, 2025 · 100-instance minimum

Cards for this pair

Worked turns

1 examples

Examples apply the printed rules; judge the board, costs and timing.

Use the interaction

  1. Play Cryogen Relic, then sacrifice it to Selfcraft Mechan. The Relic’s leave trigger adds a separate card to the Mechan’s counter-and-draw reward.
  2. Expensive artifacts are not all disposable. Keep enough early creatures and cheap artifacts to pay costs without giving away the board.

Adapt the plan to your format

One-pickSealed
With one pick, fill the missing early play, answer or support card before adding another narrow payoff. The plan must work without drawing its key card.Compare complete builds from the cards you opened. Keep the castable curve and interaction even if the draft theme is only partly supported.

More card pairings

Rules for every deck →What every two-color deck needs before the plan: early plays, answers, a curve and mana · BuildOpen the workshop →