It may not be what every deck is looking for, however, since the card itself doesnt do very much on its own
You really want this Knight to get through
And if you have any cards at all in your deck that pump things, even just little Noble Hierarch, you'll get even more mileage out of trample
Protective spells can be lumped into two broad categories: spells that protect a single creature or permanent (Tamiyo's Safekeeping, Slip Out the Back) and cards that protect your entire board (Teferi's Protection, Heroic Intervention)
I appreciate the care the team at Wizards took in translating the look and feel of the games, and the new mechanics go a long way to sell it, too
You can make combat very difficult with some surprisingly good blocks when youre all tapped out