Sometimes, its best to just trade a better creature for theirs and move on with the game, especially if you have more powerful creatures you can cast later
This is an incredible Commander staple that can still tango in 1v1, and is an absolute must for your commander collection
In regards to DnD I would have loved this aura to lose some toughness per damage taken to be more in line with the actual spell in the game (and to give it a chance in draft/sealed to be removed by swinging into it rather than having to wait for someone to remove the actual aura or creature)
In the mid to late game, opponents will try to remove your creature, so wait until you have a Blossoming Defense or similar card in hand to get blowout card advantage
1 Fog, Darkness, And Holy Day Are The Platonic Fogs Despite the myriad ways that Wizards of the Coast have attempted to improve upon the idea of a fog effect, it's hard to argue that the original Fog isn't still one of the best ones