For those newer to Magic: The Gathering, the whole point of Jumpstart is speed: take two boosters, shuffle them together, and you have a playable deck with all the Lands already included
Just be prepared, if you're looking to buy them, you could have to break open The Money Bin
Many of the best Partner Commanders MTG succeed because their abilities naturally support scalable strategies such as card advantage, mana generation, or combat pressure
A 2 mana 2/2 creature that can be played in response to a fetchland like Wooded Foothills, a watered down version like Fabled Passage or Terramorphic Expanse, a ramp spell like Three Visits, or another means of cheating cards into play like Kodama of the East Tree in order to ramp out one Plains card from your deck is already good value
Do you want it to be creature-based or more heavily focused on planeswalkers or enchantments