Found in other TCGs like Pokemon and Magic: The Gathering, rotation simply means the games oldest reeleases will leave legal play each year to ensure the card pool remains fresh
Players are already used to or even bored of playing against other players with cards they have seen before
Fat Packs over the last thirty sets, there is no question that Fat Packs are the superior investment, beating booster boxes by 15% on average over the last 30 sets and by 12% when considering sets older than three years old
Coming off the heels of Shantotto, the Radical Lady, the details of which you can find here, the second legendary creature of the day appeared - Zenos yae Galvus/Shinryu, Transcendent Rival: Yes, it's a dual-faced card
With only three copies you won't always be able to get Pluto down on turn one, so try to play him turn before you need him
The issue with comparing Modern Horizons boxes to Tales of Middle Earth boxes is, of course, the delta in power level