Declare The Incredible Hulk as an attacker.
Caltrops triggers, dealing 1 damage to The Incredible Hulk.
The Incredible Hulk triggers, putting a +1/+1 counter on it, untapping it and giving you an additional combat phase after this one.
Repeat each combat phase.

Infinite combat phases

Infinite +1/+1 counters on a creature

Bruce Banner // The Incredible Hulk

Caltrops

Activate Fire Nation Palace's second ability by paying {1}{R} and tapping it, giving The Incredible Hulk firebending 4 until end of turn.
Declare The Incredible Hulk as an attacker. Its firebending ability triggers, adding {R}{R}{R}{R}.
Holding priority, activate Pyrohemia by paying {R}, dealing 1 damage to each creature and player.
The Incredible Hulk triggers, putting a +1/+1 counter on it, untapping it and giving you an additional combat phase after this one.
Repeat from step 2 each combat phase.

Near-infinite combat phases

Near-infinite damage to all players

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

Pyrohemia

Fire Nation Palace

Declare The Incredible Hulk and Raging Regisaur as attackers.
Raging Regisaur triggers, dealing 1 damage to The Incredible Hulk.
The Incredible Hulk triggers, putting a +1/+1 counter on it, untapping it and giving you an additional combat phase after this one.
Repeat each combat phase.

Raging Regisaur

Declare The Incredible Hulk as an attacker.
Holding priority, activate The Incredible Hulk by tapping it, dealing 1 damage to it.
The Incredible Hulk triggers, putting a +1/+1 counter on it, untapping it and giving you an additional combat phase after this one.
Repeat each combat phase.

Viridian Longbow

At the beginning of your combat phase, Fire Nation Turret triggers, giving The Incredible Hulk +2/+0 and firebending 2 until end of turn.
Declare The Incredible Hulk as an attacker. Its firebending ability triggers, adding {R}{R}.
Holding priority, activate Pyrohemia by paying {R}, dealing 1 damage to each creature and player.
The Incredible Hulk triggers, putting a +1/+1 counter on it, untapping it and giving you an additional combat phase after this one.
Repeat each combat phase.

Fire Nation Turret

Cast Sozin's Comet from your hand by paying {3}{R}{R} or from exile for its foretell cost by paying {2}{R}, giving each creature you control firebending 5 until end of turn.
Declare The Incredible Hulk as an attacker. Its firebending ability triggers, adding {R}{R}{R}{R}{R}.
Holding priority, activate Pyrohemia by paying {R}, dealing 1 damage to each creature and player.
The Incredible Hulk triggers, putting a +1/+1 counter on it, untapping it and giving you an additional combat phase after this one.
Repeat from step 2 each combat phase.

Combos with "Bruce Banner // The Incredible Hulk"