If youre asking why, just imagine this: the blue player untaps, plays a land, then just passes the turn
Also there are many more cards like Force of Will and Gurmag Angler and the like in the constructed formats which further empowers Thoughtsieze
Some players want to build silly goldfish decks, decks around creature types, decks that flood the board with winged terrors, or decks that put a million counters on creatures
Firstly, this artifact can be tapped to produce one mana of any color, allowing it to serve as mana ramp in a Dragon deck of any color identity
The Mana Mana for the deck seems to be relatively consistent with seven mana rocks (Sol Ring, Dimir Signet, Mind Stone) but the curve itself is rather rough
If you look at a card like Mirari, youll know that you usually have to pay mana for duplicating a spell