Minn, Wily Illusionist, Phantasmal Dreadmaw, Fool's Demise, and Phyrexian Altar

Prerequisites

• Minn, Wily Illusionist on the battlefield
• Phantasmal Dreadmaw on the battlefield
• Fool's Demise in hand
• Phyrexian Altar on the battlefield
• You control another Illusion with power five or greater

Steps

1. Activate Phyrexian Altar by sacrificing another Illusion with power five or greater, adding one mana of any color
2. The Illusion dies, triggering Minn's second ability, putting Fool's Demise from your hand onto the battlefield attached to Phantasmal Dreadmaw
3. Activate Phyrexian Altar by sacrificing Phantasmal Dreadmaw, adding one mana of any color
4. Phantasmal Dreadmaw dies, triggering Minn's second ability and Fool's Demise's first and second abilities
5. Resolve the second Fool's Demise trigger, returning it from your graveyard to your hand
6. Resolve the first Fool's Demise trigger, returning Phantasmal Dreadmaw from your graveyard to the battlefield
7. Resolve the Minn trigger, putting Fool's Demise from your hand onto the battlefield attached to Phantasmal Dreadmaw
8. Repeat from step 3

Results

• Infinite colored mana
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers