You're playing mono-red, and normally your best card against mono-white is Outpost Siege
Massive card advantage is at the top of this enchantment's job description: Underworld Breach turns your graveyard into a (huge) extension of your hand, and basically provides flashback to anything you cast
As the Earthbend ability resolves, that land becomes a 0/0 creature with haste thats still a land
You have a lot of agency over what permanents you donate and may be able to take them back with Homeward Path
Wizards hasn't made a more fair or welcoming Modern, though critically, they have made a cheaper Modern for the moment
When you play Jim you also get to play a 4-cost-or-less Location for free and move Jim to it, so while The Queen's Castle is your best target, The Library is also a great option