Giving your opponent an extra card gives them one more option than you, and when your opponent has more options than you, that puts you in an uphill battle
If a face-up "Horus" monster(s) you control, except "Horus the Black Flame Deity", or a face-up "King's Sarcophagus" you control, leaves the field by an opponent's card effect (except during the Damage Step): You can Special Summon this card from your hand, then you can send all other monsters on the field to the GY
According to a sell sheet seen by Pokmon TCG fansite PokBeach, Pokmon Card 151 will be a Japanese expansion for the Pokmon card game that will include all 151 Pokmon from the series first generation, including Kadabra and a new Pokmon ex card for Alakazam
If theres a Stuffy Doll or Brash Taunter in play, Blasphemous Act gets even nastier
unstable, but absolutely worth the gamble