Four graveyards fill up awfully fast, and getting back the best threats in the game often ends it
You want to design the main effect to have an impact but not necessarily completely derail things, and this falls squarely into that category, allowing for voltron builds to get the maximum value without being totally useless for everyone else
Other interesting targets in the format: Aether Hub Sunscorched Desert Cycling Duals Skyline Cascade Mortuary Mire Fertile Thicket Anything, when you have landfall cards you want to trigger
Secrets of Strixhaven | Field Studies in a Future Tense Quintorius Kand makes a cutting discovery.
Its almost sacrilege to suggest the removal of cards like Goblin Electromancer or Sapphire Medallion in these strategies
Recursion is rather easy with Summon: Titan being able to put all lands into the battlefield from the graveyard, Evil Reawakened able to put any creatures back onto the battlefield, and Fight On