NxB NV !! HUGE TIP !! Upgrade Cards Faster !!
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Published on ● Video Link: https://www.youtube.com/watch?v=tAPmgo3OlAo
If you know you know, if you don’t now you do.
My recommendation though is to equip your most powerful cards for your Shinobi even if it means multiple same cards on your Shinobi just use frog cards but if you have extra, etc then it’s an ok method to upgrade cards quick
Best of blessings to all you guys. Hope this helps.