the front side of Halo Fountain
the back of a classic MtG card
the front side of Incubation Druid
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, W

Initial Card State

  1.  All permanents on the battlefield.

Notable Prerequisites

  1. Halo Fountain and Incubation Druid do not have summoning sickness.
  2. Incubation Druid has at least one +1/+1 counter on it.

Steps

  1. Activate Karn's first loyalty ability by putting a loyalty counter on it, causing Halo Fountain to become an artifact creature until end of turn.
  2. Activate Incubation Druid's first ability by tapping it, adding one white manaone white manaone white mana.
  3. Activate Halo Fountain's second ability by paying one white manaone white mana, tapping it and untapping it and Incubation Druid, causing you to draw a card.
  4. Repeat from step 2.

Results

  1. Infinite card draw.
  2. Infinite draw triggers.
  3. Near-infinite colored mana.
  4. Near-infinite creature tokens.
  5. Near-infinite untap of creatures you control.
  6. Near-infinite mana creatures you control can produce.
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