the front side of Urza, Prince of Kroog
the back of a classic MtG card
the front side of Simulacrum Synthesizer
the back of a classic MtG card
the front side of Krark-Clan Ironworks
the back of a classic MtG card

Color Identity: W, U

Initial Card State

  1.  All permanents on the battlefield.

Mana Needed

  1. twelve generic mana available.

Steps

  1. Activate Urza by paying six generic mana, creating a copy of Simulacrum Synthesizer that is a 1/1 Construct.
  2. When the Simulacrum Synthesizer token enters the battlefield, its first ability and each other SImulacrum Synthesizer you control's second abilities trigger.
  3. Resolve the first trigger, causing you to scry 2.
  4. Resolve the remaining triggers, creating a 0/0 Construct artifact creature token for each trigger resolved this way.
  5. Activate Krark-Clan Ironworks by sacrificing a 0/0 Construct, adding one colorless manaone colorless mana.
  6. Repeat step 5 for each other 0/0 Construct you control, if applicable.
  7. Repeat from step 1.

Notes

  1. Once you have three Simulacrum Synthesizer tokens, this combo will begin to break even and eventually net additional tokens and mana.

Results

  1. Infinite creature LTB.
  2. Infinite creature ETB.
  3. Infinite colorless mana.
  4. Infinite creature tokens.
  5. Infinite creature copies of artifacts you control.
  6. Infinite creature sacrifice triggers.
  7. Infinite death triggers.
  8. Infinite scry.

Metadata

Bracket tag
ExhibitionBracket 1+

For any deck

Bracket tags are estimated from the cards and results of each combo, as a guideline rather than a strict classification.

What the tags mean →Commander brackets ↗

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Popularity
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Variants
2
variants of this combo
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How much mana until the Synthesizers pay for Urza?

Each copy Urza makes costs six generic mana, and every other Simulacrum Synthesizer you control answers it with a Construct worth one colorless manaone colorless mana, so the loop pays for itself from three Synthesizers on.

Mana to starttwelve generic mana

Each loop costs
six generic mana
Loops before it pays for itself
3
Mana to start
Your mana, step by step
  • To start: twelve generic mana
  • Pay six generic mana: 6 left
  • Sacrificing the Constructs makes 2: 8
  • Pay six generic mana: 2 left
  • Sacrificing the Constructs makes 4: 6
  • Pay six generic mana: 0 left
  • Sacrificing the Constructs makes 6: 6
  • Pay six generic mana: 0 left
  • Sacrificing the Constructs makes 8: 8
  • Pay six generic mana: 2 left
  • Sacrificing the Constructs makes 10: 12
  • Pay six generic mana: 6 left
  • Sacrificing the Constructs makes 12: 18
  • Pay six generic mana: 12 left
  • Sacrificing the Constructs makes 14: 26
  • Pay six generic mana: 20 left
  • Sacrificing the Constructs makes 16: 36
  • Pay six generic mana: 30 left
  • Sacrificing the Constructs makes 18: 48
  • Pay six generic mana: 42 left
  • Sacrificing the Constructs makes 20: 62
  • Pay six generic mana: 56 left
  • Sacrificing the Constructs makes 22: 78
  • Pay six generic mana: 72 left
  • Sacrificing the Constructs makes 24: 96

Variants of this combo

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