There are a lot of card overlaps, but one deck wants to put the lands into play for landfall, while the graveyard-oriented version wants to discard and then return them, often only to hand to discard them again
(2018-03-16) If a card is discarded while Rest in Peace is on the battlefield, abilities that function when a card is discarded (such as madness) still work, even though that card never reaches a graveyard
Strixhaven: School of Mages Product Overview Good morning class, and welcome to Strixhaven
While gameplay details for Lorcana are still largely under wraps - Ravensburgers initial release promised thoughtful and unique gameplay, while co-designer Ryan Miller told Dicebreaker at D23 that specifics would be revealed next year - the games first cards will arguably do little to fend off assumptions that the card game is effectively Magic: The Gathering in Disney cosplay
I could easily see this commander going in a few different directions, though