If an effect allows you to put a card with particular characteristics onto the battlefield without instructing you to play or cast it, you consider only the characteristics of a modal double-faced card's front face to see if that card qualifies
The first ability, allowing you to exile land cards to get mana, is technically in both colors
You can learn everything about the Arena play blade, theres an exact way to get your match history, and if you like personal stats such as your win rate, Arena Tutor is the free tool you should use
Taking a closer look at this idea, it may or may not work based on the humidity of the surroundings of the collection
Facing a Rayquaza-VMAX often felt like a boss fight within the TCG
Is it another boom or just a flash