Im pretty sure it needs no further explanation, but heres one anyway
Sending someones hard-earned graveyard back to their library can be a back-breaking play against reanimator decks, Underworld Breach, or even Thassas Oracle, as your opponent will often have too many cards in their library to win the game after putting their graveyard back into their library
Anthem aside, the best part of this Assassin's Creed card is to O-ring a creature from each opponent
Aside from the obvious Helm of the Host, you have options
Judging from the similarities this Raptor has with the former Standard monster Questing Beast, it's likely that Rampaging Raptor will become the new four-drop of choice in aggressive red builds
Hopefully you all enjoyed this