Ill make a safe bet that almost no one thinks flying or trample are terrible or broken mechanics

1 Wildcard of any rarity A common (39.1%), uncommon (39.1%), rare (19.5%), or mythic rare (1.9%) card from the Secrets of Strixhaven main set A rare or mythic rare borderless Elder Dragon, planeswalker, or dual land (less than 1%) A rare or mythic rare field notes card (less than 1%) 1 Rare or mythic rare card A rare (82.5%) or mythic rare (14.1%) from the Secrets of Strixhaven main set A rare or mythic rare borderless Elder Dragon, planeswalker, or dual land (1.6%) A rare (1.2%) or mythic rare (less than 1%) field notes card 1 Mystical Archive card In non-Japanese Play Boosters: An uncommon (87.5%), rare (9.6%), or mythic rare (2.9%) Mystical Archive card In Japanese Play Boosters: An uncommon (58.3%), rare (6.5%), or mythic rare (2.0%) Mystical Archive card An uncommon (29.1%), rare (3.2%), or mythic rare (less than 1%) Japanese Mystical Archive card 1 Traditional foil card of any rarity A common (54.4%), uncommon (33.6%), rare (6.7%), or mythic rare (1.1%) card from the Secrets of Strixhaven main set A rare or mythic rare borderless Elder Dragon, planeswalker, or dual land (less than 1%) A rare or mythic rare field notes card (less than 1%) An uncommon (2.8%), rare (less than 1%), or mythic rare (less than 1%) Mystical Archive card 1 Land card A non-foil (26.7%) or traditional foil (6.7%) default frame basic land A non-foil (13.3%) or traditional foil (3.3%) spellcraft land A non-foil (40%) or traditional foil (10%) common dual land 1 Non-foil punch-out counter card or double-sided token Note: Percentages may not sum to 100 due to rounding

For a measly one mana, its a pretty good enabler
It's colorless so it can slide into any deck out there
Oops, thats not good
They also received etched foil versions in some booster packs, which looked really nice