the front side of Mendicant Core, Guidelight
the back of a classic MtG card
the front side of Urza, Lord High Artificer
the back of a classic MtG card
the front side of Worldwalker Helm
the back of a classic MtG card

Color Identity: W, U

Initial Card State

  1.  Worldwalker Helm in hand.
  2.  Mendicant Core and Urza on the battlefield.

Notable Prerequisites

  1. You have max speed.

Mana Needed

  1. ({4} magic symbol)  ({U} magic symbol)   available.

Steps

  1. Cast Worldwalker Helm by paying ({2} magic symbol)  ({U} magic symbol)  .
  2. Mendicant Core triggers, causing you to pay ({1} magic symbol)   to copy the Worldwalker Helm spell.
  3. Resolve both Worldwalker Helm spells.
  4. Activate Urza by tapping a Worldwalker Helm, adding ({U} magic symbol)  .
  5. Activate a Worldwalker Helm by paying ({1} magic symbol)  ({U} magic symbol)   and tapping it, creating a token copy of the Worldwalker Helm token plus an additional Map token for each Worldwalker Helm you control.
  6. Activate Urza twice by tapping two Map tokens, adding ({U} magic symbol)  ({U} magic symbol)  .
  7. Repeat from step 5.

Notes

  1. Once you have infinite mana, you may activate Urza's ability to cast your library.
  2. Once you have infinite mana, you may use it to activate Urza's ability.

Results

  1. Infinite blue mana.
  2. Exile your library.
  3. Cast all cards in your library without paying their mana costs.
  4. Infinite Map tokens.
  5. Infinite Worldwalker Helm tokens.

Metadata

  1. In 1989 decks according to EDHREC.
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