Leonin Relic-Warder + Rescue Skiff + Phyrexian Altar

Leonin Relic-Warder

Rescue Skiff

Phyrexian Altar

How it works

1. Cast Leonin Relic-Warder by paying .
2. When Leonin Relic-Warder enters, its first ability triggers, exiling Rescue Skiff.
3. Activate Phyrexian Altar by sacrificing Leonin Relic-Warder.
4. When Leonin Relic-Warder dies, its second ability triggers, returning Rescue Skiff from exile to the battlefield.
5. When Rescue Skiff enters, it triggers, returning Leonin Relic-Warder from your graveyard to the battlefield.
6. When Leonin Relic-Warder enters, its first ability triggers, exiling Rescue Skiff.
7. Repeat from step 3.

This clever loop sets up an endless cycle of sacrifice and revival by leveraging the continuous interaction between Leonin Relic-Warder and Rescue Skiff. As Leonin Relic-Warder enters and leaves the battlefield, it repeatedly exiles and returns Rescue Skiff, which in turn triggers Rescue Skiff to pull Leonin Relic-Warder right back out of your graveyard. Meanwhile, Phyrexian Altar provides the crucial sacrifice outlet that converts this constant movement into an endless supply of colored mana and triggers for every death, sacrifice, entry, and departure your board could ever need.