Winning the game from there should be child's play, but if you want style points, throw a Viridian Longbow into the mix and you can ping your opponents for infinite damage, dealt one point at a time
While you're likely not going to be able to pay to cast The Swarmlord for much beyond that, with a few tools like Hardened Scales or upgrading for a Doubling Season or Vorinclex, Monstrous Raider , you should be able to make The Swarmlord a big threat when it enters play
Once the mode is chosen, it can't be changed
Even if you arent using it to fuel powerful 1-mana spells like Pyroblast or Winds of Change, Simian Spirit Guide also does a good impression of Lotus Petal, and can help you rush out cards like Dockside Extortionist or Underworld Breach to fuel bigger plays or simply combo off a turn ahead of schedule
QuestionHow much money should I pay for one card?Community AnswerIt depends on the card