Clock Wyvern [MP19-EN152] Common 10 When this card is destroyed

When this card is destroyed and sent to the Graveyard: You can target 1 "Mermail" monster in your Graveyard

the Wicked Warden" once per turn

or MonsterCard

Set: Anniversary Pack Card type: Normal Monster Rarity: Ultra Rare Attack: 2500 Defense: 1200

Clock Wyvern [MP19-EN152] Common 10 When this card is destroyedSet: 2019 Gold Sarcophagus Tin Mega Pack Card type: Effect Monster Rarity: Common Attack: 1800 Defense: 1000 If this card is Normal or Special Summoned: You can halve this card's ATK, and if you do, Special Summon 1 "Clock Token" (Cyberse WIND Level 1 ATK 0 DEF 0). You can only use this effect of "Clock Wyvern" once per turn.