
Destroy target permanent. Its controller creates a 3/3 green Beast creature token.
Illustrated by Dave Allsop · Wizards Play Network 2023 · #3
2021-03-19
If the target permanent is an illegal target by the time Beast Within tries to resolve, the spell won't resolve. No player creates a Beast token. If the target is legal but not destroyed (most likely because it has indestructible), its controller does create a Beast token.