Lightning Vortex [SD5-EN030] Common Magic Ruler Set: Base Set Unlimited Type:

Set: Base Set Unlimited Type: Grass Rarity: Holo Rare Retreat cost: Colorless

Set: Duelist League Promo Card type: Normal Spell Rarity: Rare Activate only while you control "Necrovalley": Both players discard all Monster Cards in their hands

You can only use this effect of "Subterror Behemoth Umastryx" once per turn

after activating this card

Special Summon this card during your next Standby Phase

Lightning Vortex [SD5-EN030] Common Magic Ruler Set: Base Set Unlimited Type:Set: Structure Deck: Warrior's Triumph Card type: Normal Spell Rarity: Common Attack: 0 Defense: 0 Discard 1 card from your hand. Destroy all face up monsters on your opponent's side of the field.