The Sibsig Ceremony + Junk Diver + Workshop Assistant + Heliod, the Radiant Dawn // Heliod, the Warped Eclipse

The Sibsig Ceremony

Junk Diver

Workshop Assistant

Heliod, the Radiant Dawn // Heliod, the Warped Eclipse

How it works

1. Cast Workshop Assistant by paying 0.
2. When Workshop Assistant enters the battlefield, The Sibsig Ceremony triggers, destroying Workshop Assistant and creating a 2/2 Zombie Druid creature token.
3. When Workshop Assistant dies, it triggers, returning Junk Diver from your graveyard to your hand.
4. Cast Junk Diver by paying 0.
5. When Junk Diver enters the battlefield, The Sibsig Ceremony triggers, destroying Junk Diver and creating a 2/2 Zombie Druid creature token.
6. When Junk Diver dies, it triggers, returning Workshop Assistant from your graveyard to your hand.
7. Repeat.