the front side of Urza, Lord High Artificer
the back of a classic MtG card
the front side of Nim Deathmantle
the back of a classic MtG card
the front side of Ashnod's Altar
the back of a classic MtG card

Color Identity: U

Initial Card State

  1.  All permanents on the battlefield.

Steps

  1. Activate Urza's second ability twice by tapping Nim Deathmantle and Ashnod's Altar, adding ({U} magic symbol)  ({U} magic symbol)  .
  2. Activate Ashnod's Altar by sacrificing Urza, adding ({C} magic symbol)  ({C} magic symbol)  .
  3. Nim Deathmantle triggers, causing you to pay ({4} magic symbol)   to return Urza from your graveyard to the battlefield and attach Nim Deathmantle to it.
  4. Urza enters the battlefield, creating a 0/0 Construct artifact creature token with "This creature gets +1/+1 for each artifact you control".
  5. Activate Urza's second ability by tapping the Construct, adding ({U} magic symbol)  .
  6. Activate Ashnod's Altar by sacrificing the Construct, adding ({C} magic symbol)  ({C} magic symbol)  .
  7. Repeat from step 2.
  8. Once you have infinite mana, you may repeat the loop while skipping step 6, resulting in infinite Construct tokens, and you may activate Urza's last ability any number of times.

Results

  1. Infinite blue mana.
  2. Infinite colorless mana.
  3. Infinite creature tokens.
  4. Infinite death triggers.
  5. Infinite ETB.
  6. Infinite LTB.
  7. Infinitely large Construct tokens.
  8. Infinite sacrifice triggers.
  9. Play all cards in your library without paying their mana costs.
  10. Exile your library.
  11. Cast all cards in your library without paying their mana costs.

Metadata

  1. In 3508 decks according to EDHREC.
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