Mimikyu (58/145) [Sun & Moon: Guardians Rising] POP Series 3 You can only use this

You can only use this effect of “Sinister Serpent” once per turn

Release Date: 2019-06-14 Set Name: Revue Starlight Card Number: RSL/S56-E068SSP SSP Rarity: Super Special Rare Card Type: Character Color: Blue Level: 3 Cost: 2 Soul: 2 Traits: Revue

and you have 4 or more other "Memory Snow" characters

Release Date: 2019-04-19 Set Name: No Game No Life Card Number: NGL/S58-E054 R Rarity: Rare Card Type: Character Color: Red Level: 0 Cost: 0 Soul: 0 Traits: Game

and a total of 5 cards of rarity Rare or higher

Mimikyu (58/145) [Sun & Moon: Guardians Rising] POP Series 3 You can only use thisSet: Sun & Moon: Guardians Rising Type: Psychic Rarity: Holo Rare Retreat cost: Colorless