(Not available in Draft Boosters.)
A commonly played answer, such as Spite // Malice that couldn't take out Black dorks wouldn't work anyway, Slay was commonly seen in sideboards as it was a free card with those cantrip fun times, and Spiritmonger could become White or Red if you needed it to
Do Artifact Creatures Count as Colorless
Undergrowth When you cast this spell, reveal the top X cards of your library, where X is the number of creature cards in your graveyard
Varolz, the Scar-Striped is a great fun card that you can use as a straight up combo with cards like Phyrexian Dreadnaught and Death's Shadow or just in a graveyard themed creature deck
You may put that card on the bottom.) Land Windbrisk Heights Hideaway 4 (When this land enters, look at the top four cards of your library, exile one face down, then put the rest on the bottom in a random order.) This land enters tapped