This is both excellent for decks that miss these lands, and for new precons having (slightly) better manabases
In the past, these crossovers have been segregated into alternative formats
Wyleth, Soul of Steel wants things attached to him, but the real advantage of runes is that you can use them to enchant equipment
This one costs five mana instead of four and doesn't include a way to cast it for free, but if you're looking for a type manipulator in Black, this is one of your best options
As I often explain in my Budget Commander articles, every time I build a rough draft of a deck, I make sure I have a certain amount of mana, interaction, card advantage, etc
The only exception is a card like Fertilid that specifies that it enters with a set number of +1/+1 counters