Cormela, Glamour Thief, Demonic Gifts, Painter's Servant, Runaway Steam-Kin, and Altar of Dementia

Prerequisites

• Cormela, Glamour Thief on the battlefield
• Demonic Gifts in hand
• Painter's Servant on the battlefield
• Runaway Steam-Kin on the battlefield
• Altar of Dementia on the battlefield
• You have an amount of mana available equal to three minus the number of +1/+1 counters on Runaway Steam-Kin
• "Red" chosen with Painter's Servant

Steps

1. If Runaway Steam-Kin has three or more +1/+1 counters on it, activate Runaway Steam-Kin by removing three +1/+1 counters from it, adding
2. Activate Cormela by paying and tapping it, adding that can only be spent to cast instant or sorcery spells
3. Cast Demonic Gifts by paying , targeting Cormela
4. Runaway Steam-Kin triggers, putting a +1/+1 counter on itself
5. Resolve Demonic Gifts
6. Activate Altar of Dementia by sacrificing Cormela
7. When Cormela dies, it triggers twice
8. Resolve the first trigger, returning Cormela from your graveyard to the battlefield
9. Resolve the second trigger, returning Demonic Gifts from your graveyard to your hand
10. Resolve the Altar of Dementia ability, causing target player to mill cards equal to Cormela's power
11. Repeat

Results

• Infinite blue mana that can only be spent to cast instant and sorcery spells
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite magecraft triggers
• Infinite mill
• Infinite red mana that can only be spent to cast instant and sorcery spells
• Infinite sacrifice triggers
• Infinite self-mill
• Infinite storm count