Might be a useful thing to have while prowling around Clue #4: Odds & Ends In Mark Rosewaters 80,000 words, he takes the reader on a tour of Wizards of the Coast via a series of photos
Which ones, if any, should you use in future decks
The new era, though, looks to have bucked that trend
Other reasons Pacifism effects suck are that you can also still sac off the creature for value, bounce and recast it free from its aura, give it protection such that the aura falls off, or simply kill the Pacifism and have a potentially flash haste version of your guy back
As you are trying to ramp these are generally only good when you have a land heavy hand or you have already ramped to your upper CMC cap
Commander Decks Battle your friends in a race to the hidden core