This card is coming out in crossover souls.
Lose a turn
Continuous trap card
Active only if you control no special summon monsters. The effects of all special summon monsters are negated until the end of the turn. If a Effect monster is special summon in Attack position: Change it to Defense position.
I think this card is good in a charmer deck. Because you get 100% steal your opponent's monster. Since charmers don't special summon all that munch witch makes this card live.