PORYGON_HGSS22:HEARTGOLD_SOULSILVER_PROMOSStiffen
During your opponent's next turn, any damage done to Porygon by attacks is reduced by 20 (after applying Weakness and Resistance).
Version Update
Search your deck for Porygon2, show it to your opponent, and put it into your hand. Shuffle your deck afterward.
weakness:x2
resistance: none
retreat cost:1