yugioh master duel drytron deck Complete Custom for Yu-Gi-Oh! The state of drytron? :

I find 10 to be enough to most of my decks but it always depend on the number of lands and card draw available

It's worth mentioning, by going this route you get to onboard Odion while mitigating some of its conventional downsides: Matchup wise, Odion is vulnerable into Ryzeal - Detonator makes life hard on critical cards like Treasures and the Apophis monsters (Lode too if it's a Primite variant) but with Lab as the main engine you're not nearly as susceptible, and conversely, have some powerful tools into them you wouldnt have otherwise

Theyre like, This character is not evil

Oh, and it provides Colorless Energy too

These can then be retrieved with other abilities or spells