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

This card cannot declare an attack the turn this effect is activated

When this card inflicts Battle Damage to your opponent

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

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