Teshar, Ancestor's Apostle + Phyrexian Altar + Glint Hawk

Teshar, Ancestor's Apostle

Phyrexian Altar

Glint Hawk

How it works

1. Cast an artifact in your hand by paying 0.
2. Teshar triggers, returning Glint Hawk from your graveyard to the battlefield.
3. When Glint Hawk enters, it triggers, returning another artifact that can be cast for 0 from the battlefield to your hand.
4. Resolve the artifact spell cast in step 1.
5. Activate Phyrexian Altar by sacrificing Glint Hawk.
6. Repeat.

This elegant loop turns a simple zero-cost artifact into an engine of endless rebirth, all orchestrated by Teshar, Ancestor's Apostle and their historic spellcasting trigger. As you cast your zero-mana artifact, Teshar plucks Glint Hawk straight from your graveyard, whose enter-the-battlefield trigger promptly bounces that same zero-cost artifact right back to your hand to be recast. Meanwhile, Phyrexian Altar stands ready to sacrifice the Glint Hawk for a color of mana whenever you need to fuel the loop or cash out for infinite storm and death triggers.