You want to minimize your vulnerability to Skullcrack and Command, which means playing your lifegain cards before turn 3
While were on the topic of cards that happily fit into decks, Deadly Dispute is one that sees quite a bit of Commander play
Lorehold, the Historian Lorehold, the Historian cuts costs on cards that never should have
Also, when it comes right down to it, Tainted Strike can be an unseen instant-win in some situations, regardless of other infect support in your deck
It featured a skull-and-bones symbol in place of the 10, and was given to players as a way to track poison counters
Blind Obedience is on the bigger Cant Get Angry list because of its combination of abilities, which is why Thalia, Heretic Cathar is here