This consistency is important for a couple of reasons
Blue Mage's CaneBlue Mage's Cane You need too much from your opponent to make it good, and mana is a lot to recast a spell
However, despite it making sense design wise, I'm a bit at a loss on how powerstones entering the battlefield tapped works from a flavor point point of view
[c]Chalice of the Void[/c] is one of the signature cards of the archetype, as it can shut out all cards of a certain mana cost
Fang and Vanille can be melded into a large Ragnarok card , which feels appropriate in terms of size, and also its ability to destroy one permanent and save another feels thematically accurate
But when we only focus on the best cards, we can create an environment that stifles creativity