This wording is usually found on punisher effects, so this is probably some kind of burn/edict effect
From Wizards of the Coast holos to a Pok-Body toting Team Rocket variant to an Ultra Rare staff promo, the priciest Snorlax cards reward collectors who appreciate a little bit of everything, whether your shelf leans vintage, mid-era, or somewhere in between
Keen Sense For only one mana, [c]Keen Sense[/c] can draw you many cards over the course of a single game, but only if you can sneak the enchanted creature past your opponents defenses
While that story had a happy ending, I have to imagine that hes not the only one out there using the high to try and figure out what his cards are worth
What did surprise me though is how nice the Graveyard subtheme ended up being: I count 20 cards that interact with the graveyard directly with a very generous definition, including anything that recurs (Starfield of Nyx), puts itself in the graveyard (Binding the Old Gods), puts other enchantments in the graveyard (Nyxborn Behemoth), or triggers off enchantments going into graveyards (Narci, Fable Singer)
Oh, and it also has a downside while in play