Nardole, Resourceful Cyborg, Chakram Retriever, and Clockspinning

Prerequisites

• Nardole, Resourceful Cyborg on the battlefield
• Chakram Retriever on the battlefield
• Clockspinning in hand
• Nardole has at least four counters on it
• Nardole does not have summoning sickness

Steps

1. Activate Nardole by tapping it, adding at least that can only be spent to cast noncreature spells
2. Cast Clockspinning with buyback by paying
3. Chakram Retriever triggers, untapping Nardole
4. Resolve Clockspinning, putting a counter on Nardole, or putting/removing a counter from any other permanent you control, and then returning Clockspinning to your hand
5. Repeat
6. Once you have infinite that can only be spent to cast noncreature spells, you may target any other creature using Chakram Retriever's trigger

Results

• Infinite magecraft triggers
• Infinite mana creatures you control can produce
• Infinite proliferate
• Infinite storm count
• Infinite untap of creatures you control