In the case of this deck, I'd cut a couple of the support cards (Humble, Ancestral Mask, Serra's Embrace) for more Elves (to capitalize on Priest of Titania) and for more lands
Since a nice and round lore for my own creations was always important to me, at the beginning there was the idea of how I could implement a Land-destruction and Sacrificedeck
A spell or ability that counters spells can still target spells with flash you cast
Beast, Hardheaded Break stuff, profit The First Chapter is notably low on easy ways to get rid of items from your opponents side of the table, making it difficult to break the effects granted by the best Lorcana item cards
Assuming a set gets printed to any reasonable level, the cards within that set will for some period of time be forced down to roughly a price where it's usually not worth it to crack boxes of that set
Zero mana for two trampling 4/4s