Requires

Blue Sun's Twilight in hand. All permanents on the battlefield. Opponents control at least eight artifacts and/or enchantments. You have cast an instant or sorcery spell this turn. available.

Steps

1. Cast Blue Sun's Twilight by paying , targeting Archaeomancer
2. Thousand-Year Storm triggers, creating at least one copy of Blue Sun's Twilight, targeting Dockside Extortionist and any other creature(s) as applicable
3. Resolve the first copy of Blue Sun's Twilight, creating a token copy of Dockside Extortionist
4. The Dockside Extortionist token enters the battlefield, creating at least eight Treasure tokens
5. Resolve all remaining copies of Blue Sun's Twilight, as applicable
6. Resolve the original Blue Sun's Twilight from step 1, creating a token copy of Archaeomancer
7. The Archaeomancer token enters the battlefield, returning Blue Sun's Twilight from your graveyard to your hand
8. Activate seven Treasure tokens by tapping and sacrificing them, adding
9. Repeat
10. Once you have infinite mana, you may instead target Archaeomancer and any other creature to get infinite copies of any creature on the battlefield

Results