Lets start with Summon: G.F
You also get to generate two lore whenever one of your characters prevails
Disney Lorcanas One Big Flaw (That May Wind Up Being Nothing) On the box it says a game of Lorcana lasts 20 minutes, but most of our games were 30 minutes or more because both players almost always ran out of resources and struggled to close out the game
Price: $162.63 Get Progenitus Showcase (Fracture Foil) on TCGPlayer
I like stuff like Karmic Guide or Sun Titan for pure value, but you could also lean toward things like Angel of Despair, from above, or Nekrataal or something big like Avacyn, Angel of Hope or another forceful beater
All you have to do is have Jumbo Cactuar out and able to attack, Jarad out, and three mana open during the attack step