Myojin of Cryptic Dreams, Slick Imitator, and Mana Echoes

Prerequisites

• Myojin of Cryptic Dreams on the battlefield
• Slick Imitator in hand
• Mana Echoes on the battlefield
• Myojin has an indestructible counter on it
• You have max speed
• available

Steps

1. Cast Slick Imitator by paying
2. Holding priority, activate Myojin by removing an indestructible counter from it, copying the Slick Imilator spell three times
3. Resolve the first copy of the Slick Imitator spell
4. When the Slick Imitator token enters the battlefield, Mana Echoes triggers, adding for each Ooze you control
5. Repeat from step 3 for the remaining two copies of the Slick Imitator spell
6. Holding priority, activate a Slick Imitator token by paying and sacrificing it, copying the Slick Imitator spell
7. Resolve the copy of the Slick Imitator spell
8. When the Slick Imitator token enters the battlefield, Mana Echoes triggers, adding for each Ooze you control
9. Repeat from step 6

Results

• Infinite LTB
• Infinite ETB
• Infinite sacrifice triggers
• Infinite death triggers
• Infinite colorless mana