Blowing up everybodys lands all at once is a powerful play that completely grinds the game to a halt
Soul Diviner already exists, so this card adds more redundancy to the strategy, at least slotting into the same decks
I haven't ruled out using non-archetypal monsters for Ritual Summons, because all that would do is get you a monster with no/fewer effects, so that should be fine
Endurance Sometimes you just need to deal with your opponent's graveyard to stop them going off, and when youre in that pinch, Endurance is what you need
Magic: The Gathering | Marvel's Spider-Man Eternal-legal sets (SPE and MAR) are Commander-, Legacy-, and Vintage-legal sets, and individual cards are also legal where already available in other formats