4UU, T: Each opponent mills cards equal to the number of cards in your hand
I would not be surprised if this entire list has changed in about a months time
Cards can be purchased with real world currency, using gems or in-game currency (which can also buy access to matches in MTG Arena)
However, three mana and three life for any card in your deck is almost always a rate that players will be willing to pay, as the life-loss will likely be offset by whatever combo piece or massive threat that you pulled out of your library
By forcing them to stay exerted, you also keep them vulnerable to additional challenges, making it far more risky for your rivals to use their characters with this card in your deck
Before we start going over what makes a good commander, lets first understand the concept of color identity