[Takket]

What are some cards that either take draws away from an opponent or force them to discard?

Psychological Pressure
Distracted by thoughts of Home
Klim Docachin
211th rule
Bleed Resources
Static warp Bubble

anything else you can think of?

[pfti]

Before became all the rage, temporal shifting was a great way

[PantsOfTheTalShiar]

I've used Founder Agitator against Fed opponents to assassinate one of their card draw personnel. Though in that case I was also doing that to get an early kill to power Valuable Prisoner/Labor Camp.