Crystron Thystvern [MP17-EN139] Common Sneak Preview Series 2 Set: Return of the Duelist

Set: Return of the Duelist Card type: Normal Trap Rarity: Common Target 1 face-up "Heroic" monster you control

Set: Dark Revelation Volume 1 Card type: Continuous Spell Rarity: Common Monsters on your side of the field cannot be destroyed in a battle if the monsters'' ATK are equal

Set: Duel Terminal 7 Card type: Xyz/Effect Monster Rarity: Super Rare Attack: 2350 Defense: 1350 2 Level 4 DARK monsters Once per turn

Set: Storm of Ragnarok Card type: Effect Monster Rarity: Common Attack: 800 Defense: 1900 If this card battles a Level 4 or lower monster

You can only use this effect of "Constellar Twinkle" once per turn

Crystron Thystvern [MP17-EN139] Common Sneak Preview Series 2 Set: Return of the DuelistSet: 2017 Mega Tins Mega Pack Card type: Effect Monster Rarity: Common Attack: 1500 Defense: 1500 You can target 1 face up card you control; you cannot Special Summon monsters from the Extra Deck for the rest of this turn, except Machine Type Synchro Monsters, also, destroy that card, and if you do, Special Summon 1 "Crystron" Tuner from your Deck. You can banish this card from your Graveyard; add 1 "Crystron" monster from your Deck to your hand,