Silcoon (MODRS 43)
Poké-Body
Hard Cocoon
During your opponent's turn, if Silcoon would be damaged by an opponent's attack (after applying Weakness and Resistance), flip a coin. If heads, reduce that damage by 30.
Gooey Thread
10
The Defending Pokémon can't retreat until the end of your opponent's next turn.
weakness: x2
resistance: none
retreat cost: 2