Io Munchkin set. Designed by DAve

Ah, but is it red or blue?
Bad Stuff: Brain Freeze! Your headgear shrinks to your head, and causes a -2 headache.

Teh Hodgeheg cuases yuo to misraed teh wrods.
Bad Stuff:

Makes Raj go mental. The shield of steel is rendered null and void when fighting this.
Bad Stuff: The space hopper bounces up and down on you. Your armour doesn't seem to fit any more, discard it.

Just because you can't see it, doesn't mean it's not there.
Bad Stuff: It coax-es you into it's lair where it eats your weapons.

Early versions of 'the Matrix' used morse code.
Bad Stuff: You picked the red pill. Suffer the same old drudergy in a fake universe.

Robots in disguise. Can you ever be totally sure the toilet is not a robot bent on global domination?
Bad Stuff: Hacking the toilet up ruins your weapon. Discard it.

Class A beardie.
Bad Stuff: He tells you stories of what things were like when he was a student. Lose a turn while you lose your lunch.

... In a very short skirt.
Bad Stuff: She's managed to distract you. Mysteriously lose your Headgear and Armour.

He owns all the finest camels, and some moderately attractive donkeys.
Bad Stuff: He's got the hump and the camel spits. Lose your headgear.

This card is as long as Sam. Bet you didn't want to know that.
Bad Stuff: Your class vanishes while everyone sings the 'Sam de Smith song'.

Mild mannered old man.
Bad Stuff: He knows your type: you're not getting in here. Lose a level.

Jolly chap in the QM.
Bad Stuff: Stuns you with an appalling joke. Lose 1 level.

Katie, Alistair, Catherine and many, many more.
Bad Stuff: Io wasn't run like this in their day. Lose 2 levels for the shame.

Cheap, cheerful, tasty. Two out of three ain't bad.
Bad Stuff: You get the chili quorn for dinner. Lose 2 levels considering why it looks largely the same going out as it went in.

Danger: smoking causes death (of your social life, anyway)
Bad Stuff: Shunned by the non-smoking nazis, you have to discard your smelly armour before being accepted back into the group.