Crystalline Crawler + Green Goblin, Nemesis + Oko, Lorwyn Liege // Oko, Shadowmoor Scion + Tortured Existence

Mana needed: {B}

UBRG identity

Commander legal

The 4 combo pieces

• Crystalline Crawler
• Green Goblin, Nemesis
• Oko, Lorwyn Liege // Oko, Shadowmoor Scion
• Tortured Existence

What must be in place

You have a creature card in hand and a creature card in your graveyard.

How to execute it

1. Activate Oko's first loyalty ability by putting two loyalty counters on it, causing Crystalline Crawler to gain all creature types.
2. Activate Tortured Existence by paying {B} and discarding a creature card.
3. Green Goblin's first ability triggers, putting a +1/+1 counter on Crystalline Crawler.
4. Resolve the Tortured Existence ability, returning another creature card from your graveyard to your hand.
5. Activate Crystalline Crawler's first ability by removing a +1/+1 counter from it, adding {B}.
6. Repeat from step 2.

What the combo produces

• Infinite self-discard triggers