Tayam, Luminous Enigma + Metastatic Evangel + Cryptic Trilobite + Basking Broodscale + Sakura-Tribe Elder
Infinite Mill: Infinite LTB, Infinite ETB, Infinite sacrifice triggers, Infinite death triggers, Infinite self-mill, Infinite proliferate, Put all basic lands from your library onto the battlefield tapped
Cast Sakura-Tribe Elder by paying its mana cost if it is in your hand. Otherwise, activate Tayam by paying {3} and removing three counters from creatures you control, causing you to mill three cards and return Sakura-Tribe Elder from your graveyard to the battlefield with a vigilance counter on it.
When Sakura-Tribe Elder enters the battlefield, Metastatic Evangel triggers, causing you to put a +1/+1 counter on Cryptic Trilobite and Basking Broodscale and a vigilance counter on Sakura-Tribe Elder.
Basking Broodscale triggers, creating a 0/1 Eldrazi Spawn creature token that enters with a vigilance counter on it.
Activate Cryptic Trilobite by removing a +1/+1 counter from it, adding {C}{C} that can only be spent to activate abilities.
Activate the Eldrazi Spawn by sacrificing it, adding {C}.
Activate Tayam by paying {3}, removing both vigilance counters from Sakura-Tribe Elder and another counter from a creature you control.
Holding priority, activate Sakura-Tribe Elder by sacrificing it.
Resolve the Tayam ability, causing you to mill three cards and return Sakura-Tribe Elder from your graveyard to the battlefield with a vigilance counter on it.
Repeat from step 2.
Repeat.
Cards: Tayam, Luminous Enigma, Metastatic Evangel, Cryptic Trilobite, Basking Broodscale, Sakura-Tribe Elder