While I guess you could try to flip it into a 3/4, and that might be the right line in some situations, I think there would be decks (at least in Standard) that would play the front side as a sorcery
Under ultraviolet light, authentic Magic cards show a specific fluorescence pattern
Beyond that, you can dissuade blocks, burn your own creatures for extra card draw, or even ping opposing blockers and swing in with massive creatures to punish their blocks
Don't bite, because you might be able to find what you want cheaper elsewhere
A 6/6 with vigilance and trample is a formidable attacker, but the Owlbears triggered ability is eye-popping: other legendary creatures you control get +2/+2 and gain trample until end of turn
This model works really well in the absense of significant noise in the price time-series