While Andril isnt entirely Elvish, there are an array of Elvish blades that do glow blue Glamdring and Sting most notably so why wouldnt the Elves imbue Andril with this property when they reforged Narsil
You could certainly pour more money into this and maybe get some strictly better cards, but the low costs on these blue instants and the built-in evasiveness of your creatures go a long way in giving you options to interact and make effective attacks
I am looking to include Big Shield Gardna for a surprise, as it just ignores Nobleman of Crossout and forces your opponent to trade some Lifepoints before it can truly get rid of it
How Expend works in MTG Big-mana decks are often the purview of Simic, but in Bloomburrow, Gruul are the real big spenders
This makes light work of most ex Pokemon
Since you wont necessarily know when that opportunity will arise, leaving a large amount of mana available every turn might not be practical