Combat is how were going to finish most games, with special help from cards like Beastmaster AscensionBeastmaster Ascension and End-Raze ForerunnersEnd-Raze Forerunners
If you do decide to go that route, pirates won't be in short supply as quite a few, including some Captain Hook cards, have been introduced through the Steel ink color
Read all about mulligans, sideboarding and most importantly: How to sequence your turns
As easily the sets best card for the 99 of Commander decks, The Soul Stone is a true staple
If you ever see someone discard two lands to Bandits Talent in the early game, its a great time to follow up with targeted discard whatever non-lands they hold are clearly worth protecting
It spreads rad counters to all players and once they start milling cards due to the radiation, you make some 2/2 mutant zombies