Tempest wants you to cast as many five-plus-mana-value spells as possible to grow Tempest, and thankfully we have plenty of ways to cheat on big spells
Five mana is a lot for a tutor, even more so for one restricted to instants and sorceries
Speaking of art, Mouse Guards David Petersen himself was kind enough to answer questions I emailed him
By playing the Supporter card, the player can search their deck for up to two Basic Energy cards of different types, reveal them, put one of them in their hand, and attach the other to one of the other Pokmon
You can cheat out the Craterhoof or you can just cast it, it is powerful enough to be worth ramping to and isn't that pricey for a green card of such game ending potential
Tana, the Bloodsower really excites me