Barbara Wright, Myojin of Cryptic Dreams, and Summon: Knights of Round

Prerequisites

• Barbara Wright on the battlefield
• Myojin of Cryptic Dreams on the battlefield
• Summon: Knights of Round in hand
• available

Steps

1. Cast Summon: Knights of Round by paying
2. Holding priority, activate Myojin of Cryptic Dreams by removing an indestructible counter from it, copying Summon: Knights of Round three times
3. Resolve a copy of the Summon: Knights of Round spell, choosing to have it enter with five lore counters on it due to its read-ahead ability
4. The Summon: Knights of Round token's fifth chapter ability triggers, causing creatures you control to get +2/+2 until end of turn and putting an indestructible counter on each of them, and then causing you to sacrifice the Summon: Knights of Round token
5. Repeat from step 2

Results

• Infinite LTB
• Infinite ETB
• Infinite sacrifice triggers
• Infinite death triggers
• Infinitely large creatures until end of turn
• Infinite copies of any permanent spells you control