Petal Blast
From the Super Mario Wiki
Megasmilax using Petal Blast.
Petal Blast is a magic attack used by enemies in Super Mario RPG: Legend of the Seven Stars. It involves a large number of petals flying across the entire screen. When effective, it turns all members of Mario's party into Mushrooms. The attack is mastered by strong enemies such as Axem Pink, Count Down and Culex's Wind Crystal.
