Requires

Rootha, Mercurial Artist must be on the battlefield. Hellkite Courser must be on the battlefield. Ashnod's Altar must be on the battlefield. Zndrsplt's Judgment must be in hand. Mana needed:

Steps

1. Cast Zndrsplt's Judgment by paying , targeting Hellkite Courser.
2. Holding priority, activate Rootha by paying and returning it to your hand, targeting Zndrsplt's Judgment.
3. Choose to have Rootha returned to the command zone instead of your hand.
4. Resolve the Rootha ability, copying Zndrsplt's Judgment, targeting Hellkite Courser.
5. Resolve the copy of Zndrsplt's Judgment, creating a token copy of Hellkite Courser.
6. The Hellkite Courser token enters the battlefield, putting Rootha from the command zone onto the battlefield.
7. Activate Ashnod's Altar by sacrificing the Hellkite Courser token, adding .
8. Repeat from step 2.

Results