Activate at least four Birds, Frogs, Otters and/or Rats by tapping them, adding {2}{U}{U}.
Cast Get Out by paying {U}{U}, targeting Stormchaser's Talent. Stormchaser's Talent's first ability, Valley Floodcaller and each creature you control that has prowess trigger.
Resolve the Stormchaser Talent trigger, creating a 1/1 Otter creature token with prowess.
Resolve each prowess trigger, if applicable, giving those creatures +1/+1 until end of turn.
Resolve the Valley Floodcaller trigger, giving Birds, Frogs, Otters and Rats you control +1/+1 until end of turn and untapping them.
Resolve Get Out, returning Stormchaser's Talent from the battlefield to your hand.
Activate at least four Birds, Frogs, Otters and/or Rats by tapping them, adding {2}{U}{U}.
Cast Stormchaser's Talent by paying {U}. Valley Floodcaller and each creature you control that has prowess trigger.
Resolve each prowess trigger, if applicable, giving those creatures +1/+1 until end of turn.
Resolve the Valley Floodcaller trigger, giving Birds, Frogs, Otters and Rats you control +1/+1 until end of turn and untapping them.
Activate Stormchaser's Talent by paying {3}{U}, causing it to gain level 2. It then triggers, returning Get Out from your graveyard to your hand.
Repeat.

Infinite LTB

Infinite ETB

Infinite colored mana

Infinite storm count

Infinite magecraft triggers

Infinite untap of some creatures you control

Infinite power and toughness for certain creatures until end of turn

Infinite creature tokens that are infinitely large

Stormchaser's Talent

Valley Floodcaller

Get Out

Enduring Vitality

Activate a creature by tapping it, adding at least {U}.
Activate Harmonized Trio by tapping it and two other creatures you control, causing it to become prepared.
Cast a copy of Brainstorm by paying {U}.
Stormchaser's Talent and each creature you control that has prowess triggers.
Resolve all prowess triggers as applicable, giving those creatures +1/+1 until end of turn.
Resolve the Stormchaser's Talent trigger, creating a creature token.
When the creature token enters, Intruder Alarm triggers, untapping all creatures.
Resolve Brainstorm, causing you to draw three cards and put two cards from your hand onto the top of your library.
Repeat.

Infinite card draw

Infinite draw triggers

Near-infinite ETB

Near-infinite creature tokens

Near-infinite magecraft triggers

Near-infinite storm count

Near-infinite untap of all creatures

Intruder Alarm

Harmonized Trio // Brainstorm

Activate The Tenth Doctor by paying {7}, removing all time counters from Reality Strobe.
Reality Strobe triggers, causing you to cast it from exile without paying its mana cost.
Stormchaser's Talent triggers, creating a creature token.
When the creature token enters, Mana Echoes triggers, adding {C} for each creature you control that shares a creature type with the token.
Resolve Reality Strobe.
Repeat.

Combos with "Stormchaser's Talent"