Darkstalker's scroll

when Darkstalker's scroll is sacrificed
put Darkstalker in your hand from your exile pile.
cannot be countered, whenever
Darkstalker's scroll is going to be destroyed
sacrifice it instead. when Darkstalker's scroll
enters the battle field this
ability is activated; every time
a player does there turn Darkstalker
costs 2 less manna. whenever Darkstalker
enters a graveyard he goes in
your exile pile instead.