Requires

Parallax Wave must be on the battlefield. Leonin Relic-Warder must be in hand. Reveillark must be on the battlefield. Ashnod's Altar must be on the battlefield. Parallax Wave has at least one fade counter on it. Mana needed:

Steps

1. Cast Leonin Relic-Warder by paying .
2. Leonin Relic-Warder enters the battlefield, triggering its first ability, targeting Parallax Wave.
3. Holding priority, activate Parallax Wave by removing a fade counter from it, exiling Reveillark.
4. Resolve the Leonin Relic-Warder trigger, exiling Parallax Wave.
5. Parallax Wave leaves the battlefield, triggering its ability.
6. Holding priority, activate Ashnod's Altar by sacrificing Leonin Relic-Warder, adding .
7. Leonin Relic-Warder leaves the battlefield, triggering its second ability, returning Parallax Wave from exile to the battlefield.
8. Resolve the Parallax Wave trigger from step 5, returning Reveillark from exile to the battlefield.
9. Reveillark enters the battlefield, returning Leonin Relic-Warder from your graveyard to the battlefield.
10. Repeat from step 2.

Results