Sedris, the Traitor King, Void Maw, Ashnod's Altar, and Magus of the Coffers

Prerequisites

• Sedris, the Traitor King on the battlefield
• Void Maw on the battlefield
• Ashnod's Altar on the battlefield
• Magus of the Coffers on the battlefield
• You control at least six Swamps
• available

Steps

1. Activate Ashnod's Altar by sacrificing Magus of the Coffers, adding
2. Activate Magus of the Coffers' unearth ability by paying , returning it from your graveyard to the battlefield, giving it haste and exiling it at end of turn or when it leaves the battlefield
3. Activate Magus of the Coffers by paying and tapping it, adding at least six
4. Activate Ashnod's Altar by sacrificing Magus of the Coffers, adding
5. Both Magus of the Coffers's undying ability and Void Maw attempt to exile Magus of the Coffers when it would be put into your graveyard
6. Choose to apply the Void Maw replacement effect, exiling Magus of the Coffers
7. Activate Void Maw by putting Magus of the Coffers from exile into your graveyard, giving Void Maw +2/+2 until end of turn
8. Repeat from step 2

Results

• Infinite black mana
• Infinite ETB
• Infinite LTB
• Infinitely large Void Maw until end of turn
• Infinite mill
• Infinite sacrifice triggers
• Infinite self-mill