Activate all Slivers you control by tapping them, adding one mana of any color for each Sliver tapped this way.
Cast Sliver Grandmother from the command zone by paying {W}{U}{B}{R}{G} and commander tax, if applicable.
When Sliver Grandmother enters the battlefield, Intruder Alarm triggers.
Holding priortiy, activate Sliver Gravemother by tapping it, adding one mana of any color.
Resolve the Intruder Alarm trigger, untapping all creatures.
Activate all Slivers you control by tapping them, adding one mana of any color for each Sliver tapped this way.
Activate Sliver Gravemother by paying {1} and sacrificing it.
Choose not to return Sliver Gravemother to the command zone from your graveyard.
Resolve the Sliver Gravemother ability, causing each player to discard a card.
Activate Sliver Gravemother's encore ability by paying {5} and exiling it.
Choose to return Sliver Gravemother to the command zone from exile.
Resolve the Sliver Gravemother ability, creating a token copy of it for each opponent you have.
When the Sliver Gravemother tokens enter the battlefield, Intruder Alarm triggers that many times.
Holding priority, activate the Sliver Gravemother tokens by tapping them, adding at least three mana of any color(s).
Resolve the first Intruder Alarm trigger, untapping all creatures.
Activate all Slivers you control by tapping them, adding one mana of any color for each Sliver tapped this way.
Repeat from step 15 for each remaining trigger.
Repeat from step 1.

Infinite colored mana

Infinite commander casts

Infinite creature tokens with haste

Infinite death triggers

Infinite creature ETB

Infinite creature LTB

Infinite mana creatures you control can produce

Infinite creature sacrifice triggers

Infinite storm count

Infinite untap of creatures

Sliver Gravemother

Intruder Alarm

Cloudshredder Sliver

Manaweft Sliver

Mindlash Sliver

Gemhide Sliver

Heart Sliver

Sacrifice Mindlash Sliver to its ability, adding {B}{B}.
Enduring Renewal triggers, returning Mindlash Sliver from your graveyard to your hand.
Cast Mindlash Sliver.
Repeat.

Infinite black mana

Basal Sliver

Enduring Renewal

Combos with "Mindlash Sliver"