Requires

Palinchron must be in hand. Vadrok, Apex of Thunder must be in hand. Heat Shimmer must be in the graveyard. Training Grounds must be on the battlefield. Mana needed: from lands

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