Chakram Retriever + Palinchron + Helga, Skittish Seer Combo

All permanents 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.

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.

Activate up to seven lands by tapping them, adding at least .

Cast Palinchron by paying .

Helga and Chakram Retriever trigger.

Resolve the Helga trigger, causing you to draw a card, gain 1 life, and put a +1/+1 counter on Helga.

Resolve the Chakram Retriever trigger, untapping Helga.

Resolve the Palinchron spell.

When Palinchron enters the battlefield, it triggers, untapping up to seven lands.

Activate Palinchron by paying , returning it from the battlefield to your hand.

Repeat.

Infinite card draw

Significant lifegain

Significant lifegain triggers

Infinite draw triggers

Significant mana lands you control can produce

Significant untap of lands you control

Significant creature ETB

Significant creature LTB

Significant storm count

Significant +1/+1 counters on a creature

Significant 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