Activate Helga by tapping it, adding at least {U}{U}{U}{U}{U} that can only be spent to cast creature spells with mana value 4 or greater or creature spells with {X} in their mana cost.
Cast Psychic Pickpocket by paying {4}{U}.
Helga triggers, causing you to draw a card, gain 1 life and put a +1/+1 counter on Helga.
When Psychic Pickpocket enters the battlefield, it triggers, causing it to connive and returning itself from the battlefield to your hand.
Activate Mind Over Matter by discarding a card, untapping Helga.
Repeat.

Infinite self-discard triggers

Near-infinite lifegain

Near-infinite lifegain triggers

Near-infinite creature ETB

Infinite draw triggers

Infinite looting

Near-infinite storm count

Near-infinite creature LTB

Near-infinite untap of permanents you control

Near-infinite mana permanents you control can produce

Near-infinite +1/+1 counters on a creature

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

Helga, Skittish Seer

Mind Over Matter

Psychic Pickpocket

Cast Psychic Pickpocket by paying {0}.
When Psychic Pickpocket enters, it triggers, causing it to connive and return itself from the battlefield to your hand.
Repeat.

Morophon, the Boundless

Jodah, Archmage Eternal

Cast Psychic Pickpocket by paying {0}.
Psychic Pickpocket enters the battlefield, causing itself to connive and return itself from the battlefield to your hand.
Repeat.

Rooftop Storm

Maskwood Nexus

Arcane Adaptation

Cast Psychic Pickpocket by paying its mana cost.
Dancing from Dark to Dawn's first ability triggers, putting five +1/+1 counters on Crystalline Crawler.
Resolve the Psychic Pickpocket spell. When it enters, it triggers, returning itself from the battlefield to your hand.
Activate Crystalline Crawler five times by removing five +1/+1 counters from it, adding {4}{U}.
Repeat.

Crystalline Crawler

Dancing from Dark to Dawn

Conspiracy

Cast Psychic Pickpocket by paying {U}.
Radagast and Animar triggers.
Resolve the Radagast trigger, creating a 3/3 Beast creature token.
Resolve the Animar trigger, putting a +1/+1 counter on it.
When Psychic Pickpocket enters the battlefield, it triggers, causing it to connive and return itself from the battlefield to your hand.
Activate Phyrexian Altar by sacrificing the Beast token, adding {U}.
Repeat.

Combos with "Psychic Pickpocket"