1) If you put some sort of light source under a birch trap door or a carpet.
2) If an Evoker sees a blue sheep it will turn it red.
3) If you name a mob Grum or Dinnerbone.
4) Naming a sheep jeb_ will make the sheep change color.
5) Shearing the snow golems head will give you your pumpkin back.
6) Both iron golems and snow golems don't take fall damage.
7) PArrots can dance to music.
8) If you maintain eye contact with an enderman, it will not attack you.
9) Hay Bales reduce 80% of fall damage.
10) Sweet berry bushes reduce 100% of fall damage.
11) Crouching or shifting over magma blocks will make it so that you don't take damage.
12) In the nether you cant have water unless you put it in a cauldron.
13) Naming a Vindecator will make it kill any animals around it.
14) You can name a chest, shulker box or, ender chest.
15) Zombies will not walk over rails.