"Elemental Hero Neos" + "Neo-Spacian Glow Moss"
This card can only be Special Summoned from your Fusion Deck by returning the above cards you control to the Deck. (You do not use "Polymerization".) This card returns to the Fusion Deck during the End Phase. Once per turn, during your Main Phase 1, you can destroy 1 face-up card your opponent controls. Based on that card's type, apply the proper effect:
Monster: This card cannot battle this turn.
Spell: This card can attack your opponent directly this turn.
Trap: This card is changed to Defense Position.
Rarity: Ultra Rare
Card Type: Monster / Effect / Fusion
Monster Type: Warrior
Attack Points: 2500
Defense Points: 2000