Gundam XX

Here's the effect:
2 level 8 ”Gundam” monsters.
Once per turn during your main phase 1. You can detach one Xyz material from this card to destroy all cards your opponent controls. If you do. You cannot conduct your battle phase this turn. You cannot use this effect the turn this card was summoned.

For all of you who dare to call yourselfs Gundam fans, should have no problem knowing why this card has this effect... And if you arn't a fan or simple don't know about this gundam, take a look here: [link]

And for you Yu-Gi-Oh fans, who ask why I should not say this card is overpower. Well 1st, it's a rank 8 card, and you need level 8 gundams to summon it. 2nd, The rank 10 monster packs a 2000 freaking direct punch. 3rd, rank 10 has 3-freaking-000 atk AND Def, mine has not very high numbers in atk or def. 4th, And proboble biggest, you can't use it's effect the turn it's summoned.
ALL HAIL GUNDAM!!!!!!
Hope you all like it!