Run your self-check first so your expected grade is realistic
You can either run that creature into blockers, or sacrifice it to one of your own abilities for a benefit
Miles Morales can help set up future turns by putting two +1/+1 counters on each of up to two creatures, which gives you a solid foundation to work on when he flips and doubles each counter on legendary and/or Spider creatures every time Ultimate Spider-Man attacks
Most importantly, its making a difference in the lives of kids and their families.
If you open a Ragavan, its best to flip it unless you want to play that kind of strategy in Modern
Interaction Youre running a ton of cheap protection effects like Arcane Denial, Counterspell, Slip Out the Back, and Swan Song to keep the Lord of the Nazgl protected while building up the wraith army