MagicField guides
UB

Control

Blue–Black (UB)

Trade efficiently, use selection and flashback to keep resources flowing, and finish with evasive threats after stabilizing your life total.

Designed56.2% game win · 44,166 games · +0.5 vs 55.7% average · Premier Draft, Jun 10–Jul 14, 2025 · 17Lands ↗
Mode

How it wins

Trade efficiently, use selection and flashback to keep resources flowing, and finish with evasive threats after stabilizing your life total.

Early
Develop an early creature and the colored mana your hand needs.
Middle
Use cheap interaction to make a safe Locke attack for filtering, then keep mana to stop the strongest return attack. Revelation can set up later flashback without requiring a combat connection.
Finish
Trade efficiently, use selection and flashback to keep resources flowing, and finish with evasive threats after stabilizing your life total.

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?

    Choose the mode that buys enough time without consuming the whole turn. Higher modes increase mana spent but leave mana value two.

  2. 2
    The cards that make it work

    Do my actual cards enable this plan?

    Use cheap interaction to make a safe Locke attack for filtering, then keep mana to stop the strongest return attack. Revelation can set up later flashback without requiring a combat connection.

  3. 3
    Interaction and a finish

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

    Trade efficiently, use selection and flashback to keep resources flowing, and finish with evasive threats after stabilizing your life total.

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 Ice Magic or Resentful Revelation.

Use cheap interaction to make a safe Locke attack for filtering, then keep mana to stop the strongest return attack. Revelation can set up later flashback without requiring a combat connection.

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.

Sanctum stops activated abilities but not static or triggered abilities. A tapped engine can remain dangerous even when it cannot attack.

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 Ice Magic or Resentful Revelation 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

Sanctum stops activated abilities but not static or triggered abilities. A tapped engine can remain dangerous even when it cannot attack.

Playing against this plan

Pressure before their extra cards become castable. Spread threats so one removal spell or expensive Ice Magic mode cannot erase the whole attack.

Best commons & uncommons

17Lands ↗ · Jun 10–Jul 14, 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 ↗ · Jun 10–Jul 14, 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. Use cheap interaction to make a safe Locke attack for filtering, then keep mana to stop the strongest return attack. Revelation can set up later flashback without requiring a combat connection.
  2. Sanctum stops activated abilities but not static or triggered abilities. A tapped engine can remain dangerous even when it cannot attack.

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

Locke ColeIce MagicResentful Revelation
Locke Cole + Ice Magic + Resentful Revelation

Use cheap interaction to make a safe Locke attack for filtering, then keep mana to stop the strongest return attack. Revelation can set up later flashback without requiring a combat connection.

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