Helga, Skittish Seer + Mind Over Matter + Blinking Spirit Combo

Blinking Spirit in hand.

Helga and Mind Over Matter on the battlefield.

Helga does not have summoning sickness and has power 4 or greater.

Activate Helga by tapping it, adding at least that can only be spent to cast creature spells with mana value 4 or greater or creature spells with in their mana cost.

Cast Blinking Spirit by paying .

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

Activate Blinking Spirit by paying , returning itself from the battlefield to your hand.

Activate Mind Over Matter by discarding a card, untapping Helga.

Repeat.

Infinite self-discard triggers

Significant lifegain

Significant lifegain triggers

Significant creature ETB

Infinite draw triggers

Infinite looting

Significant storm count

Significant creature LTB

Significant untap of permanents you control

Significant mana permanents you control can produce

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