Archaeomancer, Battle Hymn, Cackling Counterpart, Chromatic Orrery, and Panharmonicon

Prerequisites

• Archaeomancer on the battlefield
• Battle Hymn in hand
• Cackling Counterpart in hand
• Chromatic Orrery on the battlefield
• Panharmonicon on the battlefield
• You control at least two other creatures

Steps

1. Activate Chromatic Orrery's first ability by tapping it, adding
2. Cast Battle Hymn by paying , adding for each creature you control
3. Cast Cackling Counterpart by paying , creating a token copy of Archaeomancer
4. The Archaeomancer token enters the battlefield, triggering its ability twice, returning Battle Hymn and Cackling Counterpart from your graveyard to your hand
5. Repeat from step 2
6. Once you have infinite mana, you may return any other instant and/or sorcery cards in your graveyard in place of Battle Hymn

Results

• Infinite casts of instants and sorceries in your hand and graveyard
• Infinite colored mana
• Infinite creature tokens
• Infinite ETB
• Infinite magecraft triggers
• Infinite storm count