These artifacts potentially provide a ton of card draw based on the number of modified creatures you control
Land Color tag templates(None) Evolving Wilds , Sacrifice this land: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle
Action cards are used instantly upon summoning, unlike item cards which are similar to characters but can not quest
Though I often advocate for sticking to a core group of three colors (usually including green) to base the deck on, fetchlands make it a lot easier to play this type of deck
Assuming you have at least three mana, and there are enough creatures in play, you can play Demonic Tutor, put Blasphemous Act into your hand and then cast it, all in the same turn
Spells that force your opponent to mill half their library are common for mill decks, but for it to be an additional cost isn't quite so common