How to Play Jace Cauldron Combo in Magic: The Gathering Arena

To execute the Jace Cauldron combo in Magic: The Gathering Arena, discard your combo creatures to the graveyard, exile them with Agatha's Soul Cauldron, and equip Luxior, Giada's Gift to Jace Reawakened. This grants Jace the ability to tap for mana equal to his power, untap using blue mana, and activate Bristly Bill's ability to double his counters infinitely.

Core Combo Cards

Every piece of the combo engine costs three or fewer mana, allowing Jace Reawakened to plot key artifacts directly from your hand before you assemble the loop.

Step-by-Step Infinite Mana Loop

The infinite mana engine requires Agatha's Soul Cauldron to exile both Sleep-Cursed Faerie and Kami of Whispered Hopes while you control a creature with at least one +1/+1 counter and three or more power.

1. Send Combo Creatures to the Graveyard: Use Jace Reawakened's draw-and-discard ability or let Sleep-Cursed Faerie and Kami of Whispered Hopes die in combat.
2. Exile Pieces with the Cauldron: Activate Agatha's Soul Cauldron to exile both creatures, placing a +1/+1 counter on a creature you control that does not have summoning sickness.
3. Confirm Three Power: Ensure your buffed creature has at least three power. Kami of Whispered Hopes naturally adds an extra counter when placed, which typically pushes the creature to three or more power immediately.
4. Generate Mana: Tap the creature to produce three or more mana of any single color (such as {U}{U}{U} or {G}{G}{G}).
5. Untap the Creature: Pay {1}{U} using the inherited Sleep-Cursed Faerie ability to untap the creature.
6. Net Floating Mana: Each repetition costs two mana and produces at least three, netting one or more mana per cycle. Repeat this process to generate arbitrarily large pools of green and blue mana.

Animating Jace and Doubling Stats Past 10,000 Power

Standard planeswalkers cannot attack or gain creature abilities directly. Equipping Luxior, Giada's Gift transforms Jace Reawakened into an artifact creature that gets +1/+1 for each counter on him, counting both loyalty and +1/+1 counters.

Once Jace is an artifact creature:

1. Add a +1/+1 Counter: Activate Agatha's Soul Cauldron to place a +1/+1 counter on Jace, giving him access to all abilities exiled under the Cauldron.
2. Exile Bristly Bill, Spine Sower: Use the Cauldron to exile Bristly Bill if he is in the graveyard, or keep him on the battlefield to activate his ability directly.
3. Activate Counter Doubling: Spend {3}{G}{G} from your infinite mana pool to activate Bristly Bill's ability, doubling all +1/+1 counters on your creatures.

Because each activation doubles the existing counters, Jace's power scales exponentially:

• Activation 1: 2 counters
• Activation 4: 16 counters
• Activation 8: 256 counters
• Activation 12: 4,096 counters
• Activation 14: Over 16,384 counters

After fourteen activations, Jace's power easily exceeds 10,000, allowing you to swing for lethal combat damage in a single attack.

Setup and Plotting Strategy

Because Jace Reawakened cannot be cast during your first three turns, prioritize setup on turns one through three:

• Turns 1–3: Deploy early mana sources, contest aggressive boards, or discard combo creatures directly into the graveyard.
• Turn 4: Cast Jace Reawakened. Use his +1 ability to plot Agatha's Soul Cauldron or Luxior, Giada's Gift. Plotting protects key combo pieces in exile where standard targeted discard spells like Deep-Cavern Bat cannot remove them.
• The Combo Turn: Cast your plotted artifacts from exile for zero mana. This preserves your untapped land base to hold up countermagic while you execute the loop.

Responding to Disruption

Opponents will attempt to interact with Agatha's Soul Cauldron or remove your creatures while you assemble the win condition. Manage your priority windows to protect the combo:

• Responding to Cauldron Removal: If an opponent casts artifact removal targeting Agatha's Soul Cauldron after your key pieces are exiled, activate your infinite mana and stat-doubling loop at instant speed in response, provided your creature is free of summoning sickness.
• Playing Around Creature Removal: Do not equip Luxior to Jace while an opponent holds open mana for instant-speed removal like Go for the Throat. Wait until the opponent taps out or until you can hold up protective counterspells.
• Using Alternate Attackers: If Jace is removed or countered, any creature you control with a +1/+1 counter can inherit the Cauldron's abilities, double its own stats with Bristly Bill's ability, and attack for lethal damage.