When Pigs Fly - Minecraft

Use a saddle to ride a pig, and then have the pig get hurt from fall damage while riding it - 40

Saddles can be found in Dungeons, Desert Dungeons, Jungle Dungeons and Underwater Temples, but are rare to find. Once you have a Saddle, place it on the back of Pig, you want to craft a Carrot on a Stick - it isn't needed but it is a lot easier to control the pig with it. A Carrot on a Stick can be made with a Fishing Rod and a Carrot. Fishing Rods can be made with with 2 Sticks and 3 Pieces of String and Carrots can be dropped by Zombies or found in Dungeon Chests.

Finally mount the Pig and command the Pig, using the Carrot on a Stick, to walk of a edge so when it falls it will take fall damage when it lands.

Pig with a Saddle