Thousand-Faced Shadow, Temur Sabertooth, and Palinchron

Prerequisites

• Thousand-Faced Shadow in hand
• Temur Sabertooth on the battlefield
• Palinchron on the battlefield
• You control at least one other creature that can attack this turn
• You control up to seven lands that can tap to produce at least
• Palinchron does not have summoning sickness
• An opponent is unable to block and kill creatures you control

Steps

1. Declare Palinchron and any other creature as attackers
2. When they are unblocked, activate up to seven lands you control by tapping them, adding at least
3. Activate Thousand-Faced Shadow's ninjutsu ability by paying and returning the other attacking creature to your hand, putting Thousand-Faced Shadow from your hand onto the battlefield tapped and attacking
4. Thousand-Faced Shadow enters the battlefield, creating a token copy of Palinchron
5. The token Palinchron enters the battlefield, untapping up to seven lands you control
6. Activate Temur Sabertooth by paying , returning Thousand-Faced Shadow from the battlefield to your hand
7. Repeat from step 2

Results

• Infinite combat damage to target opponent
• Infinite creature tokens
• Infinite ETB
• Infinite LTB
• Infinite mana lands you control can produce