The Grixis Delver decklist that I have been playing in the Magic Online metagame successfully currently looks like: Creatures (14) 1 Snapcaster Mage 4 Delver of Secrets 4 Deathrite Shaman 3 Young Pyromancer 1 True-Name Nemesis 1 Gurmag Angler Lands (19) Spells (27) This decklist is the one I used to win the Legacy Challenge on Magic Online recently
It showcases some of the fantastic artifacts and mystical characters that make up the final act of the Thunder Junction story
Set Design made each of the Devotees a strong creature for their given faction so that you're more encouraged to play them in the right color combination
Underpricing might get a quick sale, but it leaves money on the table
Grab the Prize One generic, one red sorcery Common As an additional cost to cast this spell, discard a card
In the generically good enchantment creature category, Arasta of the Endless WebArasta of the Endless Web is a bit pricey, but makes extremely relevant bodies in relevant numbers