Conspiracy + Crystalline Crawler Combos

5 known combos featuring both cards in Commander

Put all basic lands from your library onto the battlefield Infinite self-discard triggers Infinite colored mana Infinite +1/+1 counters on creatures you control

Combo 1 with Fertilid + Avenger of Zendikar + Ancient Greenwarden

Results: Put all basic lands from your library onto the battlefield
Steps
  1. Activate Fertilid by paying {1}{G} and removing a +1/+1 counter from it, causing you to search your library for a basic land card and put it onto the battlefield tapped.
  2. When the land enters the battlefield, Avenger of Zendikar's second ability triggers twice, putting two +1/+1 counters on each creature you control.
  3. Activate Crystalline Crawler's first ability twice by removing two +1/+1 counters from it, adding {1}{G}.
  4. Repeat.

Combo 2 with Green Goblin, Nemesis + Tortured Existence

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

Combo 3 with Yarok, the Desecrated + Fertilid + Avenger of Zendikar

Results: Put all basic lands from your library onto the battlefield
Show steps
  1. Activate Fertilid by paying {1}{G} and removing a +1/+1 counter from it, causing you to search your library for a basic land card and put it onto the battlefield tapped.
  2. When the land enters the battlefield, Avenger of Zendikar's second ability triggers twice, putting two +1/+1 counters on each creature you control.
  3. Activate Crystalline Crawler's first ability twice by removing two +1/+1 counters from it, adding {1}{G}.
  4. Repeat.

Combo 4 with Phylath, World Sculptor + Fertilid + Ancient Greenwarden

Results: Put all basic lands from your library onto the battlefield
Show steps
  1. Activate Fertilid by paying {1}{G} and removing a +1/+1 counter from it, causing you to search your library for a basic land card and put it onto the battlefield tapped.
  2. When the land enters the battlefield, Phylath's second ability triggers twice, putting four +1/+1 counters on Fertilid and Crystalline Crawler.
  3. Activate Crystalline Crawler's first ability twice by removing two +1/+1 counters from it, adding {1}{G}.
  4. Repeat.

Combo 5 with Sophia, Dogged Detective + Lonis, Genetics Expert

Results: Infinite colored mana · Infinite +1/+1 counters on creatures you control
Show steps
  1. Activate Sophia by paying {1} and sacrificing an artifact token.
  2. If the token was a Clue, Lonis's second ability triggers, putting a +1/+1 counter on a creature you control.
  3. Resolve the Sophia ability, putting a +1/+1 counter on each creature you control.
  4. Lonis's first ability triggers, creating a Clue token.
  5. Activate Crystalline Crawler by removing a +1/+1 counter from it, adding {1}
  6. Repeat.
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