Arcane Bombardment + Inspiring Refrain + Jhoira's Timebug + Capture of Jingzhou + Walk the Aeons

Arcane Bombardment

Inspiring Refrain

Jhoira's Timebug

Capture of Jingzhou

Walk the Aeons

How it works

1. Cast Inspiring Refrain by paying 4.
2. Arcane Bombardment triggers, exiling a random instant or sorcery from your graveyard, and then casting a copy of Capture of Jingzhou and Walk the Aeons without paying their mana costs.
3. Resolve the Capture of Jingzhou and Walk the Aeons copies, causing you to take two extra turns after this one.
4. Resolve Inspiring Refrain, causing you to draw two cards and exile Inspiring Refrain with three time counters on it.
5. Activate Jhoira's Timebug by tapping it, removing a time counter from Inspiring Refrain.
6. Move to your first extra turn, removing a time counter from Inspiring Refrain during your upkeep.
7. Move to your second extra turn, removing a time counter from Inspiring Refrain during your upkeep.
8. Inspiring Refrain triggers, causing you to cast it from exile without paying its mana cost.
9. Repeat from step 2.

This brilliant loop uses Arcane Bombardment as the magical engine, turning a single cast of Inspiring Refrain into a cascade of free spells every time it returns from exile. Because Inspiring Refrain naturally exiles itself with time counters and casts itself again when the last counter is removed, Jhoira's Timebug can accelerate that waiting period by manually stripping away those counters during your turns. With the enchantment continuously re-triggering, you are granted a steady stream of free copies of Capture of Jingzhou and Walk the Aeons to chain extra turns indefinitely, locking your opponents out of the game entirely.