I can use this with Future Fusion or Dragon's Mirror?

--The Light - Hex-Sealed Fusion's "summoning" effect can only be used during your Main Phase 1 or 2. The substitution effect can be used with Dragon's Mirror; but not with Future Fusion, since it is considered an unknown card with no effect while in the deck.--Deus Ex Machina 21:15, 21 April 2007 (UTC)

Can I use this card effect on a non-light monster, just like i do with King of Swamp?

Two tailed fox is wrong. it says any fusion material dumbass

Can I combine Cyber Dragon with this effect to make Cyber Twin Dragon?--Red-eyes blue dragon 00:04, 15 March 2008 (UTC)

  • No. You can't use substitutes for CTD. --Dragon Slayer (Contribs Count) 00:11, 15 March 2008 (UTC)
    • Depends on what Effect. Fusion Sub? No. Special Summon CTD? Yes.--TwoTailedFox (My Talk Page) 00:21, 15 March 2008 (UTC)
      • For those who are wondering why: Cyber Twin Dragon can only be Fusion Summoned using 2 Cyber Dragons. However, The Light Hex doesn't Fusion Summon anything, it just Special Summons a Fusion Monster.

The Second Effect

"By Tributing Fusion Material Monsters on the field, including this card, Special Summon 1 LIGHT Fusion Monster from your Fusion Deck.". Ok...I have World Tournament '08 for the DS and...It doesnt trigger like I think it must. As soon as I summoned, I can use it's effect, Tribute The Light and another monster to summon a fusion or does it work in a different way? Because I'm at lost with it's word play on how can I trigger it's effect.--CyberDarkEdge 01:23, 9 April 2008 (UTC)

If a duelist controls this card, a Blue-Eyes White Dragon and an Elemental Hero Prisma which is treated as a blue eyes, can the fusion of a Blue-Eyes Ultimate Dragon be performed with it's effect?--GritS 00:44, 21 August 2009 (UTC)

You can treat Prisma as a fusion material for a Fusion you reveal, however in your case you still require a third Blue-Eyes. Certain Fusion sub cards also say only one sub per fusion aswell, so card effects must be read carefully - Bruteboii 16:37, 11 September 2011 (UTC)

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