It works wonders when paired with cards like Supreme Verdict or Utter End, since you can recover a mix of removal, control effects, and threats all at once
Ragavan may look like an aggressive creature, and to a degree it is, but in the scope of Modern, it plays far better as a value creature
But, for those just preordering the Starter Kit today, it is also worth noting that each deck in the set is preconstructed, and doesn't feature boosters to open (so no surprise $600 cards)
Gone are the days people would run commanders just because they were the colours they wanted access to Card advantage every top commander provides card advantage in some way, whether its literally drawing cards, card selection via scrying or similar, bringing cards back from the graveyard, tutoring, or even producing permanents such as tokens