Sail The Azurite Sea could replace One Jump Ahead entirely
This is going to be one to watch for lovers of deep Magic lore, not least because it contains characters that weren't featured in the main set - because they're dead
Still, once you manage to get Mirrorhall MimicMirrorhall Mimic into your graveyard, getting copies every upkeep is an effect you're totally willing to pay five mana for
There is one card that I dont know if we are going to miss or celebrate its farewell: Path to the Peak
Examples of effect-based restrictions include Bracket 1s limitation of no mass land denial, no extra turns, and few tutors. What counts as land denial and or a tutor is up for debate, as well as that pesky word few, but the overall guidance is legible: play casually, play slowly, and let players do fair things