I can see it being used in Prowess mirrors to take out an opposing Stormwing Entity, or as part of an explosive flurry of spells to trigger prowess creatures, return Arclight Phoenix, or perhaps both
For the upcoming rotation, Regulation F cards will surely rotate out, leaving Regulation G and H as playable cards, together with the upcoming Regulation I cards, expected to be released sometime in March or April
This card excels with aggressive commanders such as Pako, Arcane Retriever because it allows you to cast more spells in the beginning of your turn before untapping your lands and allowing you to continue to cast your own spells or those exiled by opponents
A cards mana value is the total amount of mana required to play it, expressed as a single integer
The deck is rammed with cards that have X in their mana cost, meaning you have a ton of options right from the jump