How it works
Prerequisites
- You have at least three opponents.
- At most plus two mana of any two different colors available, plus enough mana to pay for commander tax, if applicable.
Steps
- 1Activate all Slivers you control by tapping them, adding one mana of any color for each Sliver tapped this way.
- 2Cast Sliver Grandmother from the command zone by paying and commander tax, if applicable.
- 3When Sliver Grandmother enters the battlefield, Intruder Alarm triggers.
- 4Holding priortiy, activate Sliver Gravemother by tapping it, adding one mana of any color.
- 5Resolve the Intruder Alarm trigger, untapping all creatures.
- 6Activate all Slivers you control by tapping them, adding one mana of any color for each Sliver tapped this way.
- 7Activate Sliver Gravemother by paying and sacrificing it.
- 8Choose not to return Sliver Gravemother to the command zone from your graveyard.
- 9Resolve the Sliver Gravemother ability, causing each player to discard a card.
- 10Activate Sliver Gravemother's encore ability by paying and exiling it.
- 11Choose to return Sliver Gravemother to the command zone from exile.
- 12Resolve the Sliver Gravemother ability, creating a token copy of it for each opponent you have.
- 13When the Sliver Gravemother tokens enter the battlefield, Intruder Alarm triggers that many times.
- 14Holding priority, activate the Sliver Gravemother tokens by tapping them, adding at least three mana of any color(s).
- 15Resolve the first Intruder Alarm trigger, untapping all creatures.
- 16Activate all Slivers you control by tapping them, adding one mana of any color for each Sliver tapped this way.
- 17Repeat from step 15 for each remaining trigger.
- 18Repeat from step 1.
Commander brackets
In which brackets is this combo allowed, per Spellbook's Exhibition tier?