While you control Into the Pit, you can look at the top card of your library whenever you want (with one restriction
Aminatou is fun to build around due to how customizable you can make your deck
Y'shtola was chosen for Final Fantasy 14 specifically due to the character's popularity and the fact that she's a spellcaster, though ideas were floated around for a highly customizable Warrior of Light commander, but they had "pretty in-depth executions." All of these sets will be released on June 13 later this year, and given how popular the crossover is probably going to be, you might be best circling that date in your calendar three or four times
Hour of Devastation: That's cool: a card named after the set it is in
The front side had a sun symbol before the card title and a subtle indicator on top of the power/toughness box, while the backside had a frame somewhat similar to the timeshifted ones, with a moon symbol before its card title and a color indicator before its card type
I dont see too many situations in which the X ability gets activated, because you want to keep the static abilities of first strike and cheaper equips alive