Mechtitan Core + Astral Dragon + Encroaching Mycosynth + Ojer Taq, Deepest Foundation // Temple of Civilization + Ashnod's Altar

Prerequisites

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Steps

1. 1Cast Astral Dragon by paying .
2. 2When Astral Dragon enters the battlefield, it triggers, creating six token copies of Mechtitan Core that are 3/3 Dragons in addition to their other types.
3. 3Activate Ashnod's Altar twice by sacrificing two of the Mechtitan Core tokens, adding .
4. 4Activate a Mechtitan Core by paying and exiling it, three other Mechtitan Core tokens, and Astral Dragon, creating three 10/10 Mechtitan legendary creature tokens.
5. 5Put all but one of the Mechtitan tokens in your graveyard due to the legend rule.
6. 6Mechtitan Core triggers twice, returning all cards exiled to create the Mechtitan tokens from exile to the battlefield.
7. 7When Astral Dragon enters the battlefield, it triggers.
8. 8Holding priority, activate Ashnod's Altar by sacrificing Mechtitan, adding .
9. 9Resolve the Astral Dragon trigger, creating six token copies of Mechtitan Core that are 3/3 Dragons in addition to their other types.
10. 10Repeat from step 3.
11. 11Once you have infinite , you may forego sacrificing Mechtitan Core tokens to Ashnod's Altar, and then target any other applicable permanents using Astral Dragon.

Effects

• Infinite colorless mana
• Infinite creature copies of all noncreature permanents
• Infinite creature ETB
• Infinite creature LTB
• Infinite creature sacrifice triggers
• Infinite creature tokens
• Infinite death triggers