Green Goblin, Nemesis, Dryad Arbor, Tortured Existence, Archelos, Lagoon Mystic, and Goldspan Dragon

Prerequisites

• Green Goblin, Nemesis on the battlefield
• Dryad Arbor in hand
• Tortured Existence on the battlefield
• Archelos, Lagoon Mystic on the battlefield
• Goldspan Dragon on the battlefield
• undefined available

Steps

1. Activate Tortured Existence by paying and discarding Dryad Arbor
2. Green Goblin's second ability triggers, creating an untapped Treasure token due to Archelos
3. Resolve the Tortured Existence ability, returning another creature card from your graveyard to your hand
4. Activate the Treasure by tapping and sacrificing it, adding
5. Activate Tortured Existence by paying and discarding a creature card
6. Green Goblin's first ability triggers, putting a +1/+1 counter on a Goblin you control
7. Resolve the Tortured Existence ability, returning Dryad Arbor from your graveyard to your hand
8. Repeat

Results

• Infinite self-discard triggers
• Infinite +1/+1 counters on Goblins you control