Prerequisites
- Magus of the Coffers on the battlefield
- Sword of the Paruns on the battlefield
- Magus of the Coffers is not summoning sick and can tap for mana
- At least six Swamps under your control
to start the combo (or 
and Sword of the Paruns attached to Magus of the Coffers)
Steps
- Pay to activate Magus of the Coffers, adding at least six
(including initial mana, floating 
) - Pay
to attach Sword of the Paruns to Magus of the Coffers (floating 
) - Activate Sword of the Paruns, untapping Magus of the Coffers (floating )
- Repeatedly tap the Magus for mana and untap it, generating at least per iteration
Results
- Infinite black mana
- Infinite untap of creatures you control
- Infinite mana creatures you control can produce
Required Cards 2
Magus of the Coffers
Creature — Human Wizard
Sword of the Paruns
Artifact — Equipment
