Elemental HERO Chaos Neos (SHVA-EN035) - Shadows in Valhalla 1st Edition

"Elemental HERO Neos" + "Neo-Spacian Dark Panther" + "Neo-Spacian Glow Moss"
Must first be Special Summoned (from your Extra Deck) by shuffling the above cards you control into the Deck. (You do not use "Polymerization.") During the End Phase: Shuffle this card into the Extra Deck, then Set all face-up monsters on the field. Once per turn, during your Main Phase 1: You can toss a coin 3 times. • 3 Heads: Destroy all monsters your opponent controls. • 2 Heads: For the rest of the turn, the effects of all face-up monsters your opponent controls are negated. • 1 Head: Return all monsters you control to the hand.