There are six different Theme Boosters available: one for each color and a multicolor Party Theme Booster which contains a bunch of cards that have or relate to the new party mechanic
The borderless cards use a different art style from the other two, featuring the Commander in a unique pose
You're trying to capture a specific moment a tournament win, a legendary pull, a planeswalker alter you're proud of and the standard printing options just weren't built for that
Again, check the store locator for details
When I showed the steps I used to make a 3D Kiki-Jiki, I said that when an object is both skinny and far from the next layer where it exists, it is more distracting in the background. Thats the case with the branches here
You'll be gaining a ton of life, all while burning the opponents as they try to get rid of it