This is a great play to pull but requires patience and some good skills.
requirements
3 Blue-Eyes White Dragons
a Lord of D. & The Flute of Summoning Dragon
mountian (already on field)
monster reborn(in hand), traphole(on field), mirror force(on field),tribute to the doomed(field), &fissure (field),dark hole, despell,justdesserts, and woboku
thats four spaces so far, let them build up a defense then use a just desserts to take 500 to 2500 lifepoints then a dark hole (make sure you have nothing extremely good down there) Next discard B-E W. dragon to the graveyard, next use the lord of d. face up in defense and use the flute to summon the two remaining bw dragons to the field as special summons( if they use a despell just use yours), next reborn your other dragon to the field. place woboku down for another part of it.
Battle phase on opponets turn (after all of that was done):
If they have a monster that can be powered up to 3250 or up let them attack, in the prcess use waboku to take that monsters attack tp zero and counterattack to take 3200 lifepoints then on your turn use all three to attack their lifepoints directly 9600 life points and u just won
(all based on yu-gi-oh official rules)