Cast Workshop Assistant by paying {0}.
When Workshop Assistant enters the battlefield, The Sibsig Ceremony triggers, destroying Workshop Assistant and creating a 2/2 Zombie Druid creature token.
When Workshop Assistant dies, it triggers, returning Myr Retriever from your graveyard to your hand.
Cast Myr Retriever by paying {0}.
When Myr Retriever enters the battlefield, The Sibsig Ceremony triggers, destroying Myr Retriever and creating a 2/2 Zombie Druid creature token.
When Myr Retriever dies, it triggers, returning Workshop Assistant from your graveyard to your hand.
Repeat.

Infinite LTB

Infinite ETB

Infinite death triggers

Infinite storm count

Infinite creature tokens

The Sibsig Ceremony

Workshop Assistant

Myr Retriever

Honest Rutstein

Activate Krark-Clan Ironworks by sacrificing Cathodion, adding {C}{C}.
When Cathodion dies, it triggers, adding {C}{C}{C}.
Activate Eldrazi Displacer by paying {2}{C}, blinking Edgar.
Cast Cathodion from your graveyard by paying {2}.
Repeat.

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