With the right build, it can flex into midrange territory and punish decks that stumble
When building a list of the most expensive, you have to refine your discussion to either include or exclude these three sets, as you would never make it to a consideration of the expansions or later traded cards without excluding these
Extra combat phases are a massive advantage that can decide games
The Instigator is a two-drop 1/1 with double strike and the same combat damage trigger to get twice, but won't work until turn 3
If they were physical objects, then any wizard could conceivably pick it up and use it, so they would have to be colorless
Improvements + Cards To Drop Zipper Flying Ranger doesnt have any Monterey Jack targets in the deck, even when there is a Steel Reign of Jafar card that would work : Monterey Jack Defiant Protector