the front side of Basalt Monolith
the back of a classic MtG card
the front side of Biomancer's Familiar
the back of a classic MtG card
the front side of Karn, the Great Creator
the back of a classic MtG card

Color Identity: G, U

Initial Card State

  1.  All permanents on the battlefield.

Notable Prerequisites

  1. Basalt Monolith does not have summoning sickness.

Steps

  1. Activate Karn's first loyalty ability by putting one loyalty counter on them, making Basalt Monolith a 3/3 artifact creature until your next turn.
  2. Activate Basalt Monolith's first ability by tapping it, adding one colorless manaone colorless manaone colorless mana.
  3. Activate Basalt Monolith's last ability by paying two generic mana, untapping it.
  4. Repeat from step 2.

Results

  1. Infinite colorless mana.

Variants of this combo

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