It then becomes a 0/0 Phyrexian creature and you can attack and block as normal (summoning sickness applies)
Twinflame Tyrant Far Fortune, End Boss Ojer Axonil, Deepest Might / Temple of Power Imodane, the Pyrohammer Solphim, Mayhem Dominus And there are some other good options in mono-red likeNeheb, the Eternal and Toralf, God of Fury / Toralf's Hammer as well as nice cards that add a color, like Tor Wauki the Younger, Firesong and Sunspeaker, and Ghyrson Starn, Kelermorph
The Ink Flood, The Hero + The Inklands
Vanquish is going to be a WW Day of Judgment nearly every time you want to cast it, since 6 creatures is around the time you'd start considering casting a wipe
Or, if you want to check out your options when it comes to Commanders using only those from the Lord of the Rings MTG set, check out our list of all LOTR MTG Commanders.
Blacks card draw seems to be becoming more erratic and harder to control, which in turn makes it more situational