These are the very best cards in that category: the show-stopping centrepieces that look just as good on the dinner table as they do on your playmat
Ainok Wayfarer is my favorite green common, and it seems criminally underdrafted
Before Khans of Tarkir , delve only existed on three cards: Tombstalker, Logic Knot, and Death Rattle, all of which were reprinted in Modern Masters
Inalla, Archmage Ritualist gives you temporary copies of your wizards, Azami, Lady of Scrolls turns them all into extra card draw, and Kaza, Roil Chaser gives you cost reduction based on the number of wizzies you control
If you're already in the last room, complete that dungeon and start a new one
Its basically Colossal Dreadmaw and Arvad the Cursed all in one