Deal combat damage to an opponent using the creatures that have Spellbinder and Breath of Fury attached.
Spellbinder and Breath of Fury trigger.
Resolve the Spellbinder trigger, casting a copy of Exotic Pets without paying its mana cost.
Resolve the copy of Exotic Pets, creating two 1/1 Fish creature tokens.
Resolve the Breath of Fury trigger, causing you to sacrifice the creature it is attached to, attach Breath of Fury to a Fish token, untap all creatures you control and get an additional combat phase after this one.
Repeat each combat phase.

Infinite combat damage

Infinite combat phases

Infinite death triggers

Infinite ETB

Infinite LTB

Infinite magecraft triggers

Infinite mana creatures you control can produce

Infinite sacrifice triggers

Infinite storm count

Infinite untap of creatures you control

Infinite creature tokens with haste

Breath of Fury

Spellbinder

Exotic Pets

Mass Hysteria

Urabrask the Hidden

Fervor

Combos with "Exotic Pets"