As Pithing Needle enters the battlefield, choose a card name. Activated abilities of sources with the chosen name can't be activated unless they're mana abilities.
Phyrexians spent countless hours unsuccessfully trying to harvest and recreate blinkmoth serum.
![Pithing Needle (Borderless Alternate Art) [Double Masters 2022]](http://www.cardmerchanttakapuna.co.nz/cdn/shop/files/8ba26375-99ad-584e-9d9c-80ac536267bc.jpg?v=1731542036&width=1445)