First edition cards are by far the most valuable and sought after versions among collectors and resellers
They come in foil as well, but be sure to take a very close look at it before you pick one up since they're easy to fake
I do run aluren in my Chulane deck however for virtually the same reason you suggested it
This way you can cast your land to destroy effects and be the only one to keep playing their spells for a while
Thanks to the consistency it provides, Sylvan Library is included within a staggering number of Commander decks
Zada's Game Plan Our game plan here is simple: we want to set up one big explosive turn where we cast Zada, Hedron Grinder, draw a ton of cards off our red cantrips like Expedite, generate tons of mana off cards like Battle Hymn, then win the game through a lethal attack with cards like Goblin Bushwhacker