There are at least three Slivers on the battlefield.
Mana Needed
available.
Steps
Activate
Sliver Overlord's first ability by paying , searching your library for the lowest mana value Sliver creature card in your library and putting it into your hand.
Cast the Sliver by paying its mana cost.
When the Sliver enters the battlefield,
Mana Echoes triggers, adding for each Sliver on the battlefield.
Repeat until you have no Slivers left in your library.
Notes
The amount of mana required to execute this combo fluctuates depending on the lowest mana value of Slivers in your library, as well as how many Slivers are on the battlefield as you execute the combo.
Results
Infinite card draw.
Infinite colored mana.
Infinite colorless mana.
Infinite draw triggers.
Cast all Sliver creature cards in your hand and library.
Near-infinite colored mana.
Near-infinite colorless mana.
Near-infinite creature ETB.
Near-infinite storm count.
Metadata
Bracket tag
ExhibitionBracket 1+
For any deck
1
2
3
4
5
1 · Exhibition5 · cEDH
Bracket tags are estimated from the cards and results of each combo, as a guideline rather than a strict classification.