Palinchron, Vadrok, Apex of Thunder, Heat Shimmer, and Training Grounds

Prerequisites

• Palinchron in hand
• Vadrok, Apex of Thunder in hand
• Heat Shimmer in the graveyard
• Training Grounds on the battlefield
• from lands available

Steps

1. Cast Palinchron
2. When Palinchron enters the battlefield, you can untap 7 lands
3. untap lands to produce
4. Cast Vadrok, Apex of Thunder for its mutate cost under Palinchron
5. When Vadrok, Apex of Thunder successfully mutates you can cast Heat Shimmer from your graveyard for free
6. Cast Heat Shimmer from your graveyard to make a token copy of Palinchron
7. When the token copy of Palinchron enters the battlefield in response to its ability, return the original Palinchron to your hand with its ability
8. Repeat

Results

• Infinite colored mana
• Infinite ETB
• Infinite hasty tokens
• Infinite LTB