Prismari, the Inspiration, and Wild Ricochet

Prerequisites

• Prismari, the Inspiration on the battlefield
• Wild Ricochet in hand
• available

Steps

1. Cast any other instant or sorcery by paying its mana cost
2. Holding priority, cast Wild Ricochet by paying its mana cost, targeting the instant or sorcery cast in step 1
3. Wild Ricochet's storm ability triggers, creating at least one copy of Wild Ricochet targeting the original Wild Ricochet
4. Resolve a copy of Wild Ricochet, copying Wild Ricochet targeting the original Wild Ricochet
5. Repeat step 4

Results

• Infinite magecraft triggers