If you control no Attack Position monsters, you can Special Summon this card to the field face-up (from the hand).
[REQUIREMENT] Sent 1 face-up Fusion Monster you control to the GY.
[EFFECT] Choose and destroy 1 Spell/Trap Card your opponent controls, then, if “Gaia the Dragon Champion” is in your GY, you can choose 1 card your opponent controls and destroy it.
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