the front side of Urza, Lord High Artificer
the back of a classic MtG card
the front side of Sewer-veillance Cam
the back of a classic MtG card
the front side of Retraction Helix
the back of a classic MtG card

Color Identity: U

Initial Card State

  1.  Urza on the battlefield.
  2.  Sewer-veillance Cam and Retraction Helix in hand.

Notable Prerequisites

  1. You control a creature that doesn't have summoning sickness.

Mana Needed

  1. ({U} magic symbol)  ({U} magic symbol)   available.

Steps

  1. Cast Retraction Helix by paying ({U} magic symbol)  , targeting a creature you control that doesn't have summoning sickness.
  2. Cast Sewer-veillance Cam by paying ({U} magic symbol)  .
  3. When Sewer-veillance Cam enters, it triggers, untapping a creature you control.
  4. Activate Urza's first ability by tapping Sewer-veillance Cam, adding ({U} magic symbol)  .
  5. Activate the creature targeted by Retraction Helix by tapping it, returning Sewer-veillance Cam from the battlefield to your hand.
  6. When Sewer-veillance Cam leaves the battlefield, it triggers, untapping the creature tapped in step 5.
  7. Repeat.

Notes

  1. If you control an artifact creature, you can untap that creature with the additional Sewer-veillance Cam trigger. It can then be tapped by Urza for blue mana, which can then be used for Urza's other ability.
  2. Once you have infinite mana, you may use it to activate Urza's ability.

Results

  1. Cast all spells in your library.
  2. Exile your library.
  3. Infinite blue mana.
  4. Infinite mana creatures you control can produce.
  5. Infinite storm count.
  6. Infinite untap of creatures you control.

Metadata

  1. In 144 decks according to EDHREC.
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