Giving additional prowess instances to your creatures is really good, and being able to make them unblockable more than makes up for this legendary rogues somewhat higher mana value
SE Secret Rare White Hole X TRAP When your opponent activates "Dark Hole": Monsters you control cannot be destroyed by that "Dark Hole's" effect
Sacrifice this artifact: Draw a card
Rise of the Floodborn action card Last Stand makes taking down a mighty foe that bit easier, allowing you to banish any character who has already been challenged this turn
If you needed another reason to believe that Dragon Fire is becoming increasingly irrelevant, then look no further than Prince Eric
Krark, the Thumbless leads to funny, coin-flippy games, at least until you bust out cards like Spark Double and a partner commander like Sakashima of a Thousand Faces to start breaking things