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 You See a Pair of Goblins without paying its mana cost.
Resolve the copy of You See a Pair of Goblins, creating two 1/1 Goblin creature tokens.
Resolve the Breath of Fury trigger, causing you to sacrifice the creature it is attached to, attach Breath of Fury to a Goblin 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 creature ETB

Infinite creature LTB

Infinite magecraft triggers

Infinite mana creatures you control can produce

Infinite creature sacrifice triggers

Infinite storm count

Infinite untap of creatures you control

Infinite creature tokens with haste

Urabrask the Hidden

Breath of Fury

Spellbinder

You See a Pair of Goblins

Fervor

Mass Hysteria

Combos with "You See a Pair of Goblins"