Remember I said that Aggro is Really Good Right Now
That said Blackmail is much more playable than it is generally given credit for and is a fun and skill intensive card to play with too
Despite Prerelease highs starting to touch back down to earth, the most expensive cards in MTG Final Fantasy are still surprisingly expensive
While the mana cost is somewhat more difficult to pay (although WW may be nearly as difficult as B/W in a variety of strategies), the first ability is, for most intents and purposes, strictly better than Elspeths
Excerpt of the interview of Quinton Hoover in The Duelist 2 Magazine (Summer 1994), page 43 talking about Proposal
When the creature is exiled, it leaves the battlefield, which makes it no longer a valid target for the removal spell