Sharuum the Hegemon in hand or in the command zone.
Mana Needed
({3} magic symbol) ({W} magic symbol) ({U} magic symbol) ({B} magic symbol) plus commander tax if applicable available.
Steps
Cast
Sharuum either from your hand or from the command zone by paying ({3} magic symbol) ({W} magic symbol) ({U} magic symbol) ({B} magic symbol) plus commander tax if applicable.
When
Sharuum enters the battlefield, it triggers, targeting
Technomancer.
Holding priority, activate
Shilgengar by sacrificing
Sharuum.
Resolve the
Sharuum trigger, returning
Technomancer from your graveyard to the battlefield.
When
Technomancer enters the battlefield, it triggers.
Holding priority, activate
Shilgengar by sacrificing
Technomancer.
Resolve the
Technomancer trigger, causing you to mill three cards and return
Sharuum from your graveyard to the battlefield.
Repeat from step 2.
Results
Infinite LTB.
Infinite ETB.
Infinite sacrifice triggers.
Infinite death triggers.
Infinite Blood tokens.
Infinite self-mill.
Metadata
In 0 decks according to EDHREC.
Bracket Tag
This combo has been estimated to be Ruthless (Bracket 4+).