Requires

Bladewing the Risen must be in the command zone. Hellkite Courser must be in hand. Ashnod's Altar must be on the battlefield. Bladewing the Risen must be your commander. Mana needed:

Steps

1. Cast Hellkite Courser by paying .
2. When Hellkite Courser enters the battlefield, it triggers.
3. Holding priority, activate Ashnod's Altar by sacrificing Hellkite Courser, adding .
4. Resolve the Hellkite Courser trigger, putting Bladewing the Risen from the command zone onto the battlefield.
5. When Bladewing the Risen enters the battlefield, it triggers.
6. Holding priority, activate Ashnod's Altar by sacrificing Bladewing the Risen, adding .
7. Choose to return Bladewing the Risen to the command zone from your graveyard.
8. Resolve the Bladewing the Risen trigger from step 5, returning Hellkite Courser from your graveyard to the battlefield.
9. Repeat from step 2.

Results