Porygon 39 - Base Set Shadowless 1st Edition Number_196 This power can't be used

This power can't be used if Rotom is affected by a Special Condition

Ability Territoriality If your Active Pokémon is damaged by an opponent's attack (even if that Pokémon is Knocked Out)

Colorless Psychic Protection (60) Gardevoir has no Weakness during your opponent's next turn

and Deck Manual included

Porygon 39 - Base Set Shadowless 1st Edition Number_196 This power can't be usedRarityUncommon Hit Points30 HP Colorless Conversion 1 If the Defending Pokmon has a Weakness, you may change it to a type of your choice other than Colorless. Colorless,Colorless Conversion 2 Change Porygon's Resistance to a type of your choice other than Colorless. Weakness Fighting F Resistance Psychic 30