Pyroclasm The last time Pyroclasm was printed in Standard was in Magic 2011
Maybe one of them will even be your favourite Final Fantasy character, making the decision to make a deck for them a total no-brainer
Response / Resurgence Its expensive to cast the second half of Response / Resurgence, but there are tons of Boros and Mardu combat decks that dearly love their extra combats
Other new mechanics specific to this set, Tiered spells and Job Select, are also fun and well represent Final Fantasy, but from a Magic perspective, they are similar to previous existing mechanics
Whether it's destroying something your opponent controls or helping you fix your lands, there are all sorts of powerful effects that Panharmonicon lets you double up on
While it requires a bit of wheeling and dealing, you can likely talk opponents into letting you have whatever you want if theres a more obvious threat on the table