Difficulties with the back side are often dealt with by using card sleeves with an opaque back
Ajani, Nacatl Pariah / Ajani, Nacatl Avenger Now that Ive (mostly) gotten over the fact that the only Ajani who can be my commander isnt able to play many of the existing Ajani planeswalker cards, I have to admit Ajani, Nacatl Pariah is a pretty cool flipwalker cat
This makes fliers versatile creatures in combat compared to their non-Flying counterparts, excellent for both offense and defense as the situation requires
Coincidentally, I noticed there is a mox gem for each gen 3 and 4 game (platinum included if you want to be generous and interpret it as jet)
These games didn't tend to last long for your opponent
Simply put, if you spend the time before the event planning out how you will sideboard, then during the tournament itself you won't have to spend that time thinking too hard in-between games