Activate any number of creatures you control by tapping them, adding at least enough mana to cast Stickytongue Sentinel.
Cast Stickytongue Sentinel by paying its mana cost.
When Stickytongue Sentinel enters the battlefield, it, Clement and Intruder Alarm trigger.
Resolve the Clement trigger, returning nothing to your hand.
Resolve the Stickytongue Sentinel trigger, returning the other creature with greater mana value from the battlefield to your hand.
Resolve the Intruder Alarm trigger, untapping all creatures.
Activate any number of creatures you control by tapping them, adding at least enough mana to cast the creature returned to your hand.
Cast the creature by paying its mana cost.
When the creature enters the battlefield, Clement and Intruder Alarm trigger.
Resolve the Clement trigger, returning Stickytongue Sentinel from the battlefield to your hand.
Resolve the Intruder Alarm trigger, untapping all creatures.
Repeat.

Infinite creature LTB

Infinite creature ETB

Infinite storm count

Infinite untap of creatures

Infinite mana creatures you control can produce

Clement, the Worrywort

Intruder Alarm

Stickytongue Sentinel

Cast an artifact in your hand by paying {0}.
Teshar triggers, returning Stickytongue Sentinel from your graveyard to the battlefield.
When Stickytongue Sentinel enters, it triggers, returning another artifact that can be cast for {0} from the battlefield to your hand.
Resolve the artifact spell cast in step 1.
Activate Altar of Dementia by sacrificing Stickytongue Sentinel
Repeat.

Infinite artifact ETB

Infinite artifact LTB

Infinite death triggers

Infinite mill

Infinite creature sacrifice triggers

Infinite self-mill

Artifact Castable for {0} that survives

Teshar, Ancestor's Apostle

Altar of Dementia

Cast Nethroi either from your hand or from the command zone for its mutate cost by paying {4}{G/W}{B}{B}, putting it under a non-Human creature you control.
Nethroi triggers, returning Stickytongue Sentinel and Mitotic Slime from your graveyard to the battlefield.
When Stickytongue Sentinel enters, it triggers, returning Nethroi from the battlefield to your hand.
Activate Phyrexian Altar twice by sacrificing Stickytongue Sentinel and Mitotic Slime, adding {B}{B}.
When Mitotic Slime dies, it triggers, creating two 2/2 Ooze creature tokens.
Activate Phyrexian Altar twice by sacrificing the Oozes, adding {1}{G/W}.
When the Oozes die, they trigger, creating four 1/1 Ooze creature tokens.
Activate Phyrexian Altar three times by sacrificing three Oozes, adding {3}.
Repeat.

Combos with "Stickytongue Sentinel"