Isochron Scepter, Twiddle, and Thousand-Year Storm

Prerequisites

• Isochron Scepter on the battlefield
• Twiddle in exile
• Thousand-Year Storm on the battlefield
• You control a land, artifact, or creature that can produce mana
• available

Steps

1. Activate Isochron Scepter by paying and tapping it, casting a copy of Twiddle
2. Thousand-Year Storm triggers, copying Twiddle for each other instant or sorcery you've cast before it this turn
3. Resolve a copy of Twiddle, untapping Isochron Scepter
4. If there is a remaining copy of Twiddle on the stack, resolve it, untapping a mana-producing land
5. Activate that land by tapping it, adding
6. Repeat steps 4 and 5 until there are no more copies of Twiddle
7. Repeat from step 1

Results

• Infinite magecraft triggers
• Infinite mana lands, artifacts, and creatures you control can produce
• Infinite storm count
• Infinite untap of lands, artifacts, and creatures you control
• Tap all lands, artifacts, and creatures opponents control