Players will get lots of value from creature deaths as they can use their experience counters to give all creatures they control +X/+X until the end of the turn where X is the amount of experience counters they have
And on top of that, you could also get a foil showcase stained-glass rare or mythic rare
Source: Magic: The Gathering Magic: The Gathering Arena Released September 27, 2018 ESRB T for Teen // Blood and Gore, Mild Fantasy Violence Developer(s) Wizards of the Coast, Wizards Digital Games Studios Publisher(s) Wizards of the Coast Franchise Magic: The Gathering Platform(s) PC, Android, iOS Genre(s) Digital Card Game
Credit: Wizards of the Coast Lineprancers FromTheShire: Cheap way to get a couple of tickets and enable you to place a power / toughness sticker, and then you can use the Lure effect to pick off annoying utility creatures and the like
He also likes it when spells cascade, which is the main way they chose to express the TARDISs ability to travel time