Player A controls Oath, has no creatures in the deck (one in hand), has a graveyard of 20 cards or so, and has Krosan Reclamation in his deck. Player B has a Planar Void in play. If Player A allows the trigger on Oath to resolve, his entire deck (including Krosan Rec.) goes into his graveyard as part of the resolution. Then Planar Void triggers once for each card put into the graveyard. With those triggers on the stack, Player A can flashback Krosan Rec. to put, say, Timetwister back into his library. The Planar Void triggers resolve rem... sorry... exiling the remaining cards. Then Player A procedes with his turn, draws Timetwister, etc. etc.
Right?
This is all correct.