If the top card of your library changes during the process of casting a spell or activating an ability, you can't look at the new top card until the process of casting the spell or activating the ability ends (all targets are chosen, all costs are paid, and so on)
Normal Normal types may have fewer weaknesses than the other types, but they also lack damage modifiers
More importantly, the new videos make the divisive cards look a lot better than they did in promo materials
And then Ill give you my list of the 10 best cards for Commander, as well as overall thoughts on the set
Shorikai, Genesis Engine The Original Vehicle Commander Long before Vehicles were legal commanders, we had Shorikai
If you have a card that turns effect damage into life gain like Intervention Pact or Samite Ministration, you can pick an absurd number like ten trillion and gain that much life