the front side of Shelob, Child of Ungoliant
the back of a classic MtG card
the front side of Devoted Druid
the back of a classic MtG card
the front side of Pathway Arrows
the back of a classic MtG card

Color Identity: B, G

Initial Card State

  1.  All permanents on the battlefield.

Notable Prerequisites

  1. Pathway Arrows attached to Shelob.
  2. Shelob does not have summoning sickness.

Mana Needed

  1. two generic mana available.

Steps

  1. Activate Shelob by paying two generic mana and tapping it, dealing 1 damage to Devoted Druid.
  2. Devoted Druid dies as a state-based action due to Shelob's deathtouch.
  3. Shelob triggers, creating a token copy of Devoted Druid that is a Food artifact.
  4. Activate the Devoted Druid token by tapping it, adding one green mana.
  5. Activate the Devoted Druid token by putting a -1/-1 counter on it, untapping it.
  6. Repeat from step 4.

Results

  1. Infinite green mana.
footer