It changes into Deluge of the Dead, which is an enchantment that creates two 2/2 zombie creatures as it enters
4 Blast From The Past Combining all the older seasons of Doctor Who into a single deck is a tall order, given the shows 60+ year history, not to mention books, comics, and other works that featured these characters, but the Blast From the Past deck does so extremely well
Since its power grows over time, this warrior can bring back bigger threats as the game progresses, and you can use cheap creatures like Mire Triton or Stitcher's Supplier to mill cards earlier in the game to fuel your graveyard
With some life to spare, you can surveil half your deck, even in response to a kill spell, and thats one of the better graveyard engines available
A good example of this is Prishe from FINAL FANTASY XI