Nightmare Penguin [RDS-EN010] Common 087 You can only use this

You can only use this effect of "Sylvan Peaskeeper" once per turn

1 "Number C" monster with the same number in its name as the first monster

Set: Legendary Collection 2 Card type: Effect Monster Rarity: Super Rare Attack: 100 Defense: 100 During either player's turn

Set: Legendary Collection 4: Joey's World Card type: Normal Spell Rarity: Common Inflict 500 points of Direct Damage to your opponent

Nightmare Penguin [RDS-EN010] Common 087 You can only use thisSet: Rise of Destiny Card type: Effect Monster Rarity: Common Attack: 900 Defense: 1800 When this card is flipped face up, return 1 card on your opponent's side of the field to the owner's hand. As long as this card remains face up on the field, increase the ATK of all WATER monsters on your side of the field by 200 points.