CosplayDiy offers a full cosplay costume for Maleficent. Great detail and quality.
Includes:
- dress
- choker
- headpiece
You can get it on Amazon here.
MudandMajesty has a great set of horns if you want more detail. Get it on Etsy here.
TentacleStudio has some great wings. They’re a little expensive but amazing craftsmanship. Get them on Etsy here.
HyperFlowersBoutique has a cheaper option on Etsy here.
You can get the staff here.