Requires

Sedris, the Traitor King must be on the battlefield. Void Maw must be on the battlefield. Phyrexian Altar must be on the battlefield. Palladium Myr must be on the battlefield. Mana needed:

Steps

1. Activate Phyrexian Altar by sacrificing Palladium Myr, adding .
2. Activate Palladium Myr's unearth ability by paying , returning it from your graveyard to the battlefield, giving it haste and exiling it at end of turn or when it leaves the battlefield.
3. Activate Palladium Myr by tapping it, adding .
4. Activate Phyrexian Altar by sacrificing Palladium Myr, adding .
5. Both Palladium Myr's undying ability and Void Maw attempt to exile Palladium Myr when it would be put into your graveyard.
6. Choose to apply the Void Maw replacement effect, exiling Palladium Myr.
7. Activate Void Maw by putting Palladium Myr from exile into your graveyard, giving Void Maw +2/+2 until end of turn.
8. Repeat from step 2.

Results