First strike is primarily used as an offensive weapon to push your creatures through, but can also serve as a defensive measure to keep opposing creatures at bay
Whenever you use one of the new bending mechanics like water, earth, fire, or air, you get to draw a card, which is one of the best things you can do in Commander
This is key, as whenever a card is put into an opponent's graveyard from anywhere, a +1/+1 counter is put on this creature
Sword of Feast and Famine stands out here due to how powerful and iconic the original card was to see it reimagined with the dark husk of metal with the sprouts of new life garnishing the handle is a treat, and the contrast provided by the sweeping folds of burgundy fabric makes for quite the breathtaking sight
For more on the new set, check out our breakdown of the new Draft and Sealed archetypes.