if you have a good traps like negate atack,threatening roar that negates all you're opp atack even swords of revealing light and you you have 3 needle worms on the field and a morphing jar and you activate they're
eff you can destroy up to 20 cards from those 4 monsters and if you have
card destruction on the field and you activate it you're opp will have max 25 cards send to the grave and you can activate gravekeepers servent
that in some turnes will destroy many cards in you're opp deck
THIS combo worked for me but i didn't had card destruction so i only destroyed 20
eff you can destroy up to 20 cards from those 4 monsters and if you have
card destruction on the field and you activate it you're opp will have max 25 cards send to the grave and you can activate gravekeepers servent
that in some turnes will destroy many cards in you're opp deck
THIS combo worked for me but i didn't had card destruction so i only destroyed 20