Is a Toshiba Satellite Intel core i7 8gb ram good for minecraft and any other new game?

You need at least 64gb of ram for minecraft

Not even close to enough info for anybody to answer

We don't have enough info to tell. We need to know what model of i7 you have, you should also know what kind of GPU you have in there. If you don't know these things, then let the the following website figure it out for you:

Minecraft system requirements | Can I Run Minecraft
http://systemrequirementslab.com/cyri/requirements/minecraft/11356/?p=a

After you're done checking the system requirements of Minecraft, then you can check to see if any other games you want to run might work under your system too.