Pyromancer's Goggles + Wild Ricochet

Prerequisites

You have an additional instant or sorcery card in hand.

Steps

1. Cast any instant or sorcery by paying its mana cost.
2. Holding priority, activate Pyromancer's Goggles by tapping it, adding {R}.
3. Cast Wild Ricochet by paying its mana cost, targeting the instant or sorcery cast in step 1.
4. Pyromancer's Goggles triggers, copying Wild Ricochet, with the copy targeting the original Wild Ricochet.
5. Resolve the copy of Wild Ricochet, creating a copy of Wild Ricochet targeting the original Wild Ricochet.
6. Repeat step 5.