the front side of Gilded Lotus
the back of a classic MtG card
the front side of Voltaic Key
the back of a classic MtG card
the front side of Kurkesh, Onakke Ancient
the back of a classic MtG card

Color Identity: R

Initial Card State

  1.  All permanents on the battlefield.

Steps

  1. Activate Gilded Lotus by tapping it, adding one red manaone red manaone red mana.
  2. Activate Voltaic Key by paying one generic mana and tapping it, untapping Gilded Lotus.
  3. Kurkesh triggers, causing you to pay one red mana to copy Voltaic Key's ability.
  4. Resolve the copy of Voltaic Key's ability, untapping itself.
  5. Repeat.

Results

  1. Infinite colored mana.
footer