Cast Volcano Hellion by paying {2}{R}{R}.
Volcano Hellion enters the battlefield, triggering itself.
Activate General's Regalia by paying {3}, choosing to redirect the next damage Volcano Hellion does to you to Brash Taunter instead.
Resolve Volcano Hellion's ability, dealing an arbirarily large amount of damage to Brash Taunter.
Brash Taunter triggers, dealing an arbitarily large amount of damage to target opponent.

Infinite damage to one opponent

Volcano Hellion

Brash Taunter

General's Regalia

Cast Volcano Hellion by paying {2}{R}{R}.
Volcano Hellion enters the battlefield, triggering itself.
Holding priority, activate General's Regalia by paying {3}, choosing to redirect the next damage Volcano Hellion does to you to Mogg Maniac instead.
Resolve Volcano Hellion's ability, dealing an arbirarily large amount of damage to Mogg Maniac.
Mogg Maniac triggers, dealing an arbitarily large amount of damage to target opponent.

Mogg Maniac

Cast Arcbond by paying {2}{R}, targeting any creature you control.
Cast Volcano Hellion by paying {2}{R}{R}.
When Volcano Hellion enters the battlefield, it triggers.
Holding priority, activate General's Regalia by paying {3}, choosing to redirect the next damage Volcano Hellion does to you to the creature targeted by Arcbond instead.
Resolve Volcano Hellion's ability, dealing an arbirarily large amount of damage to the creature targeted by Arcbond.
Arcbond triggers, holding priority,  activate General's Regalia by paying {3}, choosing to redirect the next damage Arcbond does to you to Volcano Hellion instead.
Resolve the Arcbond trigger, dealing an arbitrarily large amount of damage to each creature and each opponent.

Infinite damage

Arcbond

Cast Volcano Hellion by paying {2}{R}{R}.
Volcano Hellion enters the battlefield, triggering itself.
Holding priority, activate General's Regalia by paying {3}, choosing to redirect the next damage Volcano Hellion does to you to Spitemare instead.
Resolve Volcano Hellion's ability, dealing an arbirarily large amount of damage to Spitemare.
Spitemare triggers, dealing an arbitarily large amount of damage to target opponent.

Combos with "General's Regalia"