Green Goblin, Nemesis + Tortured Existence + Crystalline Crawler + Leyline of Transformation

Prerequisites

• You have a creature card in hand and a creature card in your graveyard.
• "Goblin" chosen with Leyline of Transformation.

Steps

1. 1Activate Tortured Existence by paying and discarding a creature card.
2. 2Green Goblin's first ability triggers, putting a +1/+1 counter on Crystalline Crawler.
3. 3Resolve the Tortured Existence ability, returning another creature card from your graveyard to your hand.
4. 4Activate Crystalline Crawler's first ability by removing a +1/+1 counter from it, adding .
5. 5Repeat.

Effects

• Infinite self-discard triggers