It's 1/1 for two mana and when it enters the battlefield you get to look at your opponent's hand
Abhorrent Oculus brings the same type of effect for blue decks
She provides an enter the battlefield ability for any black creature under your control where you gain a life and each opponent loses a life
The power of your deck is greatly dependent on the abilities of your commander, and these burn commanders all come with unique abilities to take down your opponents
Still, adding in sweepers (especially cards like Earthquake and Star of Extinction that take advantage of Sevinne, the Chronoclasm's damage-prevention ability) can greatly improve the deck, and there are some interesting ways to cast cards from our graveyard, like Snapcaster Mage, Mission Briefing and Torrential Gearhulk
Today I'm counting down the top 10 most powerful blue cards in Magic history