The Starter Commander Decks are five, standalone Commander decks, designed to come in at a lower price point (somewhere in the neighborhood of $20-$30) than the other Commander products released alongside new sets
Together, these cards form an infinite loop: you sacrifice Familiar to Seer, drain your opponent, then use Samwise Gamgee's Food token to bring Familiar back, repeating the process until the opponent is out of life
Since Rulik Mons adds green to your Goblin deck, you can start playing cards like Doubling Season and Parallel Lives to start doubling up on your token generation
Unless your Bench is at max capacity, you can play as many Basic Pokmon from your hand to the Bench as you like during your turn
Cards receive a numeric score (typically 110), sealed in a tamper-proof case
Unless you use name-changing cards in silver border, you cant