CARD DISCOVERY

Crux of the Theory

What can you build with Crux of the Theory?

When this enchantment enters, heist target opponent's library. Actualize — Whenever you cast a spell that isn't from your starting deck, empower Jace 2.

X-Ray is a metaphor for analysis and discovery — not physical scanning.

Rhystic StudyMystic RemoraPropaganda Crux of the Theory X-RAY TARGET · Crux of the Theory

Crux of the Theory → DISCOVERY

Follow the card through discovery.

Start with the card, surface meaningful relationships, then see where your collection could go.

01COLLECTIONCrux of the Theory
02ANALYZERelationships surface
03DISCOVERRelated cards
04COMMANDERDeck direction
05BUILDSee what's possible

CARD OVERVIEW

Crux of the Theory

When this enchantment enters, heist target opponent's library. Actualize — Whenever you cast a spell that isn't from your starting deck, empower Jace 2.

TYPEEnchantment
MANA{1}{U}
COLOR IDENTITYU
PRINTINGYFRA · #5
Crux of the TheoryX-RAY TARGET
RELATED CARDS
RELATED COMMANDERS
DECK POSSIBILITY

MANA FOR CARDS

What could this card unlock in your collection?

Explore the relationships around Crux of the Theory, then bring your own collection into the experience.

FAQ

Questions about Crux of the Theory

What is Crux of the Theory?

When this enchantment enters, heist target opponent's library. Actualize — Whenever you cast a spell that isn't from your starting deck, empower Jace 2.

What can you build with Crux of the Theory?

Explore related cards and commander paths around Crux of the Theory. Mana For Cards helps connect the cards you already own to deck possibilities.

What commanders use Crux of the Theory?

See the related commander paths on this page and open any available commander page for more detail.

NEXT STEP

You already own the cards. Let's see what they can do.

Start exploring what your collection could build.