Helga, Skittish Seer, Chakram Retriever, and Palinchron

Prerequisites

• Helga, Skittish Seer on the battlefield
• Chakram Retriever on the battlefield
• Palinchron on the battlefield
• You control up to seven lands that can tap to produce at least
• Helga does not have summoning sickness and has power 7 or greater

Steps

1. Activate Helga by tapping it, adding an amount of equal to its power that can only be spent to cast creature spells with mana value 4 or greater or with in their mana cost
2. Activate up to seven lands by tapping them, adding at least
3. Cast Palinchron by paying
4. Helga and Chakram Retriever trigger
5. Resolve the Helga trigger, causing you to draw a card, gain 1 life, and put a +1/+1 counter on Helga
6. Resolve the Chakram Retriever trigger, untapping Helga
7. Resolve the Palinchron spell
8. When Palinchron enters the battlefield, it triggers, untapping up to seven lands
9. Activate Palinchron by paying , returning it from the battlefield to your hand
10. Repeat

Results

• Infinite card draw
• Near-infinite lifegain
• Near-infinite lifegain triggers
• Infinite draw triggers
• Near-infinite mana lands you control can produce
• Near-infinite untap of lands you control
• Near infinite ETB
• Near infinite LTB
• Near infinite storm count
• Near-infinite +1/+1 counters on Helga
• Near-infinite colored mana that can only be spent to cast creature spells with mana value 4 or greater or creature spells with X in their mana cost