I just did two tournaments this weekend. The one I did had MANY novice bladers which these combos would be fine. The other was few more advanced and you'd get ko'd easily.
I'd never use a WD besides on a spin stealer personally in a tournament unless you knew you were going against a basic defensive bey with no ko power like basalt and Diablo can do.
Stamina: Earth Aquario 100WD or AD145D/CS(if calm) are good choices given what you have.
Defense: Twisted Aquario R145CS(if calm)
Anti-Attack: Twisted Aquario R145R2F/CS(if aggresive)
I'd never use a WD besides on a spin stealer personally in a tournament unless you knew you were going against a basic defensive bey with no ko power like basalt and Diablo can do.
Stamina: Earth Aquario 100WD or AD145D/CS(if calm) are good choices given what you have.
Defense: Twisted Aquario R145CS(if calm)
Anti-Attack: Twisted Aquario R145R2F/CS(if aggresive)