Clean removal, protection effects, taxes, and board wipes are where the color really shines
Some of the more sought after (read: expensive) cards on this list are: The original five Phyrexian Praetors Ragavan, Nimble Pilferer Atraxa, Praetors' Voice Skithiryx, the Blight Dragon The Brothers' War The Brothers War was the first official printing of serialized cards, and it was hot out of the gates with all 63 of the cards on the Retro Artifacts bonus sheet included in their sketch printings
The Green Disenchant Project has some more in-depth information and scans that may help identify such cards
Crimson Vow Draft games end in deck-out quite a lot thanks to the slower pace of play and hugely increased draw power provided by Blood tokens
You dont need me to tell you why this one is good
What is the MTG Commander Game Changers list