are these any good, and if not how can i make them better

rock unicorno C145 RF
earth leone SW145(defence mode) WD
flame lactera WA130 D

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Credits to beyblademonitor for the awesome signature!

Earth is good in the Hasderp meta game. Also please use the Build Me a Combo thread, which is located in this forum. They will build you a combo and give feedback. Ive used it and it has proven a valid resouce.