Dismember Technically a colorless spell in spirit, since the colored pips are all Phyrexian mana, Dismember does a few things right
Cosmic Chess Game: Most blatant in the Millennium World arc of the manga and the anime, where the characters play a tabletop RPG with pieces directly based on real people
You cast the spell again for free at the beginning of your next upkeep, drawing two more cards and putting it into your graveyard
Even if you're only running eight or nine Basic energy, after you place your prizes and draw your opening hand, your odds of getting a Basic energy through Max Elixir are pretty good
Upheaval This board sweeper resets the entire game back to square one for only six mana, which would be problem enough and when you factor in all that mana you floated and are about to recast your mana rocks, its chances only get worse