My XYZ deck (had help from i am the boss)

3x X-head cannon
2x Airknight parshath
2x maha vailo
2x Paladin of the cursed dragon
1-2x Reflect bounder
1x shining angel
3x thunder king Rai-Oh
3x Y-Dragon Head
3x Z-metal tank

Spell cards:
2x big bang shot
1x dark hole
3x dian keto the cure master (u dont have to have it)
1x fissure
3x luminous spark (this is really helpful)
1x mind control
1x monster reborn

Trap cards:
1x acid trap hole
2x bottemless trap hole
1x mirror force
2x negate attack
1x royal decree (u dont have to have it)
3x sakuretsu armor
2-3x shadow spell (i have 2 but its really useful on powerful monsters)
1x Xyz Effect

Extra (best part)
all of the extra card dont need Polymerization
3x XY-dragon cannon
3x Xyz-dragon cannon
3x XZ-tank cannon
3x YZ-tank dragon

Hope u like it