Thrumming Stone, Hinder, and Thousand-Year Storm

Prerequisites

• Thrumming Stone on the battlefield
• Hinder in hand
• Thousand-Year Storm on the battlefield
• You have cast at least one instant and/or sorcery this turn
• available

Steps

1. Cast any other spell, or wait for an opponent to cast one
2. Cast Hinder by paying , targeting that spell
3. Thousand-Year Storm and Thrumming Stone trigger
4. Resolve the Thousand-Year Storm trigger, creating at least one copy of Hinder, with each copy targeting the original Hinder
5. Resolve the first copy of Hinder, countering the original Hinder and putting it on top of your library
6. All remaining Hinder copies fizzle due to no longer having a legal target
7. Resolve the Thrumming Stone trigger from step 3, revealing the top four cards of your library and casting Hinder without paying its mana cost
8. Repeat from step 3

Results

• Infinite magecraft triggers
• Infinite storm count