A bunch of different questions at play:
Q: What do they need to beat Toronto in 7 games?
A: Health, Andrew Bogut (or similar), and that is probably it.
Q: What do they need to beat Toronto in 5 games?
A: Health, Andrew Bogut (or similar), and a wing that can score over 20ppg, on a consistent basis.
Q:What do they need to beat Cleveland or GSW in 7 games?
A: A miracle, an injury to two or more CLE/GSW all stars, Boogie Cousins and Kawhi Leonard, and/or any other combo of two or more top 10 players.