[alt: reddit post titled "minecraft redstone machine idea to spice up your survival world"
the post contains the below image:
a diagram titled "heart attack simulator", where two sugar cane farms are connected to an and gate that activates when both farms update at the same time. the gate is connected to dispensers with 100 splash potions of harming, aimed towards an ender pearl statis chamber]
Chottomatte! Now we need to make one where it does launch a bunch of angry Endermen at you!