If the chosen creature isn't on the battlefield or isn't a battle, creature, or planeswalker at the time damage would be dealt, the damage won't be redirected
Commander really encapsulates that in a lot of ways. As a multiplayer, casual game, Commander also helps provide a more social experience than traditional Magic formats you might play in a tournament
If that's not your thing, that's fine
Pack points are a type of currency that can be earned in Pokmon TCG Pocket , and you can use them to get some pretty rare cards
It's a bit of a doozy, and you can read up on it here
If the triggered ability causes two Soldiers to be created (due to an effect such as that of Doubling Season), Ancestral Blade becomes attached to one of them