Cast Time Warp by paying {3}{U}{U}, taking an extra turn after this one.
Move to your next turn.
At the beginning of your upkeep, Chisei triggers, removing a lore counter from The Mirari Conjecture.
After your draw step, The Mirari Conjecture triggers, returning Time Warp to your hand.
Repeat.

Infinite turns

Lock

Chisei, Heart of Oceans

The Mirari Conjecture

Time Warp

Cast Temporal Manipulation by paying {3}{U}{U}, taking an extra turn after this one.
Move to your next turn.
At the beginning of your upkeep, Chisei triggers, removing a lore counter from The Mirari Conjecture.
After your draw step, The Mirari Conjecture triggers, returning Temporal Manipulation to your hand.
Repeat.

Temporal Manipulation

Cast Capture of Jingzhou by paying {3}{U}{U}, taking an extra turn after this one.
Move to your next turn.
At the beginning of your upkeep, Chisei triggers, removing a lore counter from The Mirari Conjecture.
After your draw step, The Mirari Conjecture triggers, returning Capture of Jingzhou to your hand.
Repeat.

Combos with "Chisei, Heart of Oceans"