Since Tatyova draws you a card whenever you drop a land, you might consider replacing some card draw with some more cards that fetch lands out of your deck
Here is, in our opinion, what the best MTG card ever is
Then Mjlnir deals damage to each opponent equal to the number of tapped creatures that opponent controls
If it was a human tribal build, I'd be able to create infinite colorless mana if I had at least 3 other humans on the field, so a 5/c Humans deck is nothing if not tempting to build
The term "ramp" in Magic: The Gathering refers to any spell card that generates a net positive amount of mana, whether that be through floating mana that expires at the end of the phase, lands placed onto your side of the field (though some count searching up lands to put into your hand as ramp as well), or artifacts and cards that create artifacts that can tap for mana
They have very low gem rates (for purposes of this article I am using PSA, and gem rates means the percentage of cards submitted that grade out a 10)