Xyris, the Writhing Storm, Folio of Fancies, Mind Over Matter, and Ashnod's Altar

Prerequisites

• Xyris, the Writhing Storm on the battlefield
• Folio of Fancies on the battlefield
• Mind Over Matter on the battlefield
• Ashnod's Altar on the battlefield
• available

Steps

1. Activate Folio of Fancies by paying and taping it, causing each player to draw a card
2. Xyris triggers, creating a 1/1 Snake token for each card that opponent drew
3. Activate Mind over Matter by discarding a card, untapping Folio of Fancies
4. Activate Ashnod's Altar by sacrificing a 1/1 Snake token, adding
5. Repeat

Results

• Infinite card draw
• Near-infinite mana