The Necrobloom, Cultivator Colossus, and Scorched Ruins

Prerequisites

• The Necrobloom on the battlefield
• Cultivator Colossus in hand
• Scorched Ruins in hand
• available

Steps

1. Cast Cultivator Colossus by paying
2. When Cultivator Colossus enters, it triggers, attempting to put Scorched Ruins from your hand onto the battlefield
3. Choose to instead put Scorched Ruins into your graveyard
4. Afterwards, continue resolving the Cultivator Colossus trigger, causing you to mill two cards and return Scorched Ruins from your graveyard to your hand due to its dredge ability
5. Then, repeat the process, attempting to put Scorched Ruins from your hand onto the battlefield
6. Choose to instead put Scorched Ruins into your graveyard
7. Repeat step 3

Results

• Infinite self-mill
• Near-infinite landfall triggers
• Put most lands from your library and graveyard onto the battlefield tapped