He's begging to be broken - and in a Bant shell, you won't have to ask twice
Emrakul, the Promised End Oh look, Emrakul made it onto the list anyway
Hedron Crab is certainly the more flexible of the two because you can use it to enable your own graveyard, but both of these cards are fantastic mill engines for 60-card formats
The Dash ability of Ragavan, Nimble Pilferer gives the card even more flexibility to attack out of surprise, which leads the opponent to never be sure about clearing the board or attacking without leaving a blocker behind
Mind Control was already a Constructed-playable card, so dont make the mistake of assuming that the artifact clause is a simple tack-on
theres a reason its endured for so long, even if it is still a game system that feels like it often flies under the radar