Shelob, Child of Ungoliant + Devoted Druid + Viridian Longbow

Prerequisites

• Viridian Longbow attached to Shelob.
• Shelob does not have summoning sickness.

Steps

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

Effects

• Infinite green mana