Evilswarm Ouroboros [HA07-EN065] Secret Rare Ritual Monster When this card is sent

When this card is sent from the field to the Graveyard: You can add 1 "Frog" monster from your Deck or Graveyard to your hand

Set: Force of the Breaker Card type: Effect Monster Rarity: Ultimate Rare Attack: 1600 Defense: 1500 You can discard this card to the Graveyard to add 1 "Necrovalley" from your Deck to your hand

except with Xyz Monsters

you can Special Summon this card from your hand

•Once per turn: You can detach 1 Xyz Material from this card

Evilswarm Ouroboros [HA07-EN065] Secret Rare Ritual Monster When this card is sentSet: Hidden Arsenal 7: Knight of Stars Card type: Xyz Effect Monster Rarity: Secret Rare Attack: 2750 Defense: 1950 3 Level 4 monsters Once per turn: You can detach 1 Xyz Material from this card to activate 1 of these effects. Each effect can only be used once while this card is face up on the field. Target 1 card your opponent controls; return that target to the hand. Send 1 random card from your opponent's hand to the Graveyard. Target 1 card in