Requires

Volo, Guide to Monsters must be on the battlefield. Temur Sabertooth must be on the battlefield. Phyrexian Altar must be on the battlefield. Deranged Hermit must be in hand. You do not control an Elf or have an Elf card in your graveyard. Mana needed:

Steps

1. Cast Deranged Hermit by paying .
2. Volo triggers, copying the Deranged Hermit spell.
3. Resolve the copy of the Deranged Hermit spell.
4. When the token Deranged Hermit enters the battlefield, it triggers, creating four 1/1 Squirrel creature tokens.
5. Resolve the original Deranged Hermit spell.
6. When the nontoken Deranged Hermit enters the battlefield, it triggers, creating four 1/1 Squirrel creature tokens.
7. Activate Phyrexian Altar seven times by sacrificing the Deranged Hermit token and six Squirrels, adding .
8. Activate Temur Sabertooth by paying , returning Deranged Hermit to your hand from the battlefield.
9. Repeat.

Results