From the official Konami Blog!
Level 4 DARK Psychic-Type Effect Monster
During either player’s turn: You can banish this card; Special Summon 1 Level 5 or higher “Kozmo” monster from your hand. You can only use this effect of “Kozmoll Wickedwitch” once per turn. Once per turn, during either player’s turn: You can pay 1000 LP; this turn, this card cannot be destroyed by battle or card effects.
Kozmo Dark Destroyer
Level 8 DARK Machine-Type Effect Monster
If this card is Normal or Special Summoned: You can target 1 monster on the field; destroy it. Cannot be targeted by an opponent’s card effects. If this card is destroyed by battle or card effect and sent to the Graveyard: You can banish this card from your Graveyard; Special Summon a Level 7 or lower “Kozmo” monster from your Deck.