u dont really need to throw in all malefic cards at 3,
here is a build by my fwen, bloodface:)
Monster:13(sin=malefic)
2x sin cyber end dragon
3x sin stardust dragon
1x sin blue-eyes white dragon
3x sin parallel gear
1x dark armed dragon
1x sangan
1x zombie carrier
1x spirit reaper
Spells:15
3x sin world
2x terra forming
1x trunade
3x pot of duality
1x allure of darkness
2x cyclone
1x book of moon
1x dark hole
1x monster reborn
Traps:12
2x bottomless trap hole
1x deck devastation virus
3x sin claw stream
2x solemn warning
1x solemn judgement
1x torrential tribute
1x trap dustshoot
1x mirror force
he dun run bewd as he say it is just used for gear synchro, not for attacking etc.
u can run a lvl 2 dragon tuner to ease the summon of trident dragon
i think the extra deck will be like
3xcyber end,
3xstardust
3xparadox dragon