While we wont want to go completely Voltron, some decent Equipment is the right call here
Cost reduction encourages playing bundles of spells in a manner that Storm decks in particular can use
What you're doing instead with The Last Ride is playing it on turns two or three, and then capitalizing on its GreedGreed-esque activated ability
Cankerbloom has to sacrifice itself to use its ability, unlike Reclamation Sage, but it has superior stats and can choose to proliferate instead of destroying an artifact or enchantment
Whenever she quests, her other characters gain extra strength and can return to the player's hand when banished , making her the key support for a strong offensive force
Ugin's Labyrinth is a huge deal in these decks, and allows you to store an expensive spell while having a painless Ancient Tomb