More Old School Cards If you want to be sure to get a black-bordered Nevinyrrals Disk, you can buy one directly instead of ripping that 4th Edition Booster Box
Taigam, Ojutai Master Taigam, Ojutai Master provides value and protection
Battlefield Improvisation + Magnetic Theft Battlefield Improvisation and Magnetic Theft are both combat tricks for your equipment and are incredibly useful ways to destroy your opponents
Partner (You can have two commanders if both have partner.) Whenever another creature dies, put two +1/+1 counters on Sengir
This opens up a horrifying possibility: There are a non-zero amount of games of cEDH in which youll just kill yourself with Necropotence
It's not a bad card, far from it, but it feels like it's just doing too much, and could have done with being stripped back a little bit to make it easier to read and play