You can jump through hoops to refill off of Pursuit of Knowledge or Well of Lost Dreams, but your best source of multiple cards in a turn (cycle) remains the expensive white draw options
Utter End gives you all the flexibility (okay, most of the flexibility) of Vindicate but powered down just a little
When this enchantment enters, create two 0/1 colorless Eldrazi Spawn creature tokens with "Sacrifice this token: Add ." Eldrazi you control have ": Add one mana of any color." Whenever you cast a creature spell with mana value 7 or greater, you gain 4 life
It has great colors for interaction, so swap in what works best for you, and maybe that's more removal for potential blockers or more bounce spells
You also don't want to waste spells on your opponents' turns when possible, because churning out these Elemental tokens is quite key to victory
These lands sit at the very top of a playability pile being things I am almost never leaving out of a deck which is some reasonable % black, say a quarter or so minimum