Brass's Bounty, Narset's Reversal, and Thousand-Year Storm

Prerequisites

• Brass's Bounty in hand
• Narset's Reversal in hand
• Thousand-Year Storm on the battlefield
• You control at least seven lands
• , plus an additional available if you have not cast an instant or sorcery this turn available

Steps

1. Cast Brass's Bounty by paying
2. Thousand-Year Storm triggers, creating a copy of Brass's Bounty for each instant and sorcery spell cast before it this turn
3. Resolve the first copy of Brass's Bounty, if applicable, creating a Treasure artifact token for each land you control
4. Repeat step 3 for each remaining copy, if applicable
5. If you created Treasures this way, activate two Treasures by tapping and sacrificing them, adding
6. Holding priority, cast Narset's Reversal by paying , targeting the original Brass's Bounty
7. Thousand-Year Storm triggers, creating a copy of Narset's Reversal for each instant and sorcery spell cast before it this turn, with each copy targeting the original Narset's Reversal
8. Resolve the first copy of Narset's Reversal, copying the original Narset's Reversal targeting Brass's Bounty, then returning the original Narset's Reversal to your hand
9. All remaining Narset's Reversal copies made in step 7 fizzle due to having no legal target
10. Resolve the Narset's Reversal copy made in step 8, copying Brass's Bounty and returning the original Brass's Bounty to your hand
11. Resolve the copy of Brass's Bounty, creating a Treasure artifact token for each land you control
12. Activate seven Treasures by tapping and sacrificing them, adding
13. Repeat

Results

• Infinite colored mana
• Infinite magecraft triggers
• Infinite storm count
• Infinite Treasure tokens