It's a very strong tool nonetheless and synergizes well with the previous hitting Perennial Behemoth which can be cast the turn before this and then play lands from your graveyard for Powerstones
Then, when Sin enters or attacks, youre guaranteed to get a copy of that card
Vintage Cube is more or less the fast mana format, and its easy to understand how one player having access to six mana to the other players four can lead to all kinds of snowballing advantages
Not only does this mean that your Humans can deal damage to a defensive player by simply attacking another opponent, but if the chosen player is attacked, they effectively sustain twice as much damage
However, in a dedicated Wheel deck like Nekusar, the Mindrazer, this is an excellent Wheel inclusion
Valki, God of Lies / Tibalt, Cosmic Impostor Just to be fair, Im only gonna talk about the Tibalt, Cosmic Impostor side of this card, since the other side isnt technically Rakdos but mono-black