Lurantis (16/236) [Sun & Moon: Unified Minds] 27 You can only use this

You can only use this effect of "Noble Knight Drystan" once per turn

Set: Dark Revelation Volume 1 Card type: Continuous Spell Rarity: Common Attack: 0 Defense: 0 Inflict damage to both player's Life Points during each of your Standby Phases

except for the Xyz Summon of a WATER monster

Set: Structure Deck: Machine Reactor Card type: Effect Monster Rarity: Super Rare Attack: 1700 Defense: 1200 If this card is Normal or Special Summoned: You can add 1 "Ancient Gear" card from your Deck to your hand

Lurantis (16/236) [Sun & Moon: Unified Minds] 27 You can only use thisSet: Sun & Moon: Unified Minds Type: Grass Rarity: Uncommon Retreat cost: Colorless