When I first saw Time Twist(er), I went uh-oh, but the card is simply a little bit of blink tomfoolery, not anything busted
The wraiths are exiled copies of creatures in your graveyard, and thats already good enough with good ETB creatures
C) Scry until we have Reality Shift on the top of our library and either a Rishadan Pirate / Venser, Shaper Savant, or any of our draw / pseudo-draw (Watcher for Tomorrow) creatures is on the top of our library after using our draw effect 4th from the top if Cephalid Coliseum, 2nd from the top if Lonely Sandbar and so on) and Archaeomancer, Shipwreck Dowser and Pull from Tomorrow are in our graveyard and we have an another creature on the battlefield
A good aggressive deck usually needs around 20 creatures to be successful
Scavengers Talent Scavenger's Talent has more going on than just self-mill, but sacrifice decks and self-mill decks often overlap in how they use the graveyard