How it works
Prerequisites
- You control at least ten Swamps.
Steps
- 1Activate Cabal Coffers by paying and tapping it, adding for each Swamp you control.
- 2Cast Lab Rats with buyback by paying .
- 3Onyx Talisman triggers, causing you to pay to untap Cabal Coffers.
- 4Resolve Lab Rats, creating a 1/1 Rat creature token and returning Lab Rats to your hand.
- 5Repeat.
Commander brackets
In which brackets is this combo allowed, per Spellbook's Exhibition tier?