the front side of Sin, Unending Cataclysm
the back of a classic MtG card
the front side of Intruder Alarm
the back of a classic MtG card
the front side of Phyrexian Altar
the back of a classic MtG card
the front side of Kami of Whispered Hopes
the back of a classic MtG card

Color Identity: G, U

Initial Card State

  1.   Sin in hand or in the command zone.
  2.  All other permanents on the battlefield (Kami of Whispered Hopes without summoning sickness).
  3.  Sin must be your commander.

Notable Prerequisites

  1. There are at least X counters on artifacts, creatures and/or enchantments you control, where X is 3 plus the number of times you've cast Sin from the command zone this game.

Mana Needed

  1. five generic manaone green manaone blue manaone green or blue mana plus commander tax if applicable available.

Steps

  1. Cast Sin either from your hand or command zone by paying five generic manaone green manaone blue mana plus commander tax if applicable.
  2. As Sin enters, remove all counters from all artifacts, enchantments and creatures you control, putting twice that many +1/+1 counters on Sin plus one due to Kami of Whispered Hopes.
  3. When Sin enters, Intruder Alarm triggers, untapping all creatures.
  4. Activate Phyrexian Altar by sacrificing Sin, adding one green or blue mana.
  5. Choose to return Sin to the command zone from your graveyard.
  6. When Sin dies, it triggers, putting its counters plus one +1/+1 counter on Kami of Whispered Hopes.
  7. Activate Kami of Whispered Hopes by tapping it, adding an amount of one green mana or one blue mana equal to its power.
  8. Repeat.

Results

  1. Infinite creature LTB.
  2. Infinite creature ETB.
  3. Infinite colored mana.
  4. Infinite creature sacrifice triggers.
  5. Infinite death triggers.
  6. Infinite storm count.
  7. Infinite mana creatures you control can produce.
  8. Infinite untap of creatures.
  9. Infinite commander casts.
  10. Infinite +1/+1 counters on a creature.

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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Variants
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Does the Sin loop grow?

Sin enters with twice the counters it removes, and Kami of Whispered Hopes adds one more each time counters go on Sin and back on Kami. Kami then taps for its power, which with Phyrexian Altar's mana pays for the next Sin, two generic mana dearer every time. The counters double every loop.

Counters needed3with zero mana commander tax

The loop grows every time The counters double each loop.

Your mana, step by step
  • To start: seven generic mana
  • Cast Sin for five generic manaone green manaone blue mana, it enters with 7 counters: zero mana left
  • Sacrifice Sin to Phyrexian Altar: one generic mana
  • Kami taps for 9: ten generic mana
  • Cast Sin for seven generic manaone green manaone blue mana, it enters with 17 counters: one generic mana left
  • Sacrifice Sin to Phyrexian Altar: two generic mana
  • Kami taps for 19: 21
  • Cast Sin for nine generic manaone green manaone blue mana, it enters with 37 counters: ten generic mana left
  • Sacrifice Sin to Phyrexian Altar: eleven generic mana
  • Kami taps for 39: 50
  • Cast Sin for eleven generic manaone green manaone blue mana, it enters with 77 counters: 37 left
  • Sacrifice Sin to Phyrexian Altar: 38
  • Kami taps for 79: 117

Variants of this combo

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