Cards that may well be broken or overly valuable Prophet of Kruphix Prophet of Kruphix does a lot, untapping all creatures and lands you control and giving your creatures flash
That means you lose that creature the turn you put this Aura onto the battlefield, and then lose it for the next four turns as well (three turns to remove the counters, and one to sacrifice the Cocoon the creature is still tapped that turn)
Drannith Magistrate Drannith Magistrate is the most powerful card you can use to hinder your opponents from casting their commander or any other spells in their graveyard, hand, exile, etc
Titania, Protector of Argoth seems good with fetchlands and Wasteland, but the only current deck that might play it as a one-of is the tier 1.5/2 Nic Fit
Scour for Scrap Rating: 3/10 Typically, searching for a specific card from your deck isnt playable in Limited
Thraximundar [Best Table-Wide Sacrifice Pressure and Commander Damage] Thraximundar punishes every opponent by forcing sacrifices while growing into a lethal Zombie threat that ends games through commander damage