When Doric, Nature's Warden enters the battlefield, search your library for a Forest card, put it into the battlefield tapped, then shuffle
Bow before the might ofwait, what? Illustrated by Noah Bradley Standard Not Legal Alchemy Not Legal Pioneer Not Legal Historic Not Legal Modern Not Legal Brawl Not Legal Legacy Legal Comp
Milling Yourself for Fun and Profit Innistrad Draft, it would (very reasonably) be assumed that they had drafted blue-black decks full of synergistic cards like Armored Skaab, Stitched Drake, Think Twice, and Silent Departure
A deck usually has one set of cards with delve and thats it, like four Gurmag Anglers or Murktide Regents
There are some excellent pay-off cards too, like Chandras Incinerator, which makes noncombat damage you deal to an opponent also deal damage to creatures or Planeswalkers they control
I always advocate for moderation at casual tables, and enjoying the mana game is one aspect of moderation that I think sees success at lower power tables