Unstable Armor: If you are hit, there is a chance the armor will explode
Fiery Flight: When you burn, you will levitate until you stop burning
Speed:
Increased Speed: You gain moderate speed
Wild Rush: You gain significant speed in Grass
Stone Rush: You gain significant speed on Stone
Fire Rush: You gain significant speed in the Nether. It slows you down somewhat in other dimensions
Abyssal Rush: You gain significant speed in the Nether. It slows you down somewhat in other dimensions
Burning Speed: Makes you go very fast in hot biomes. You go quite slow in cold biomes.
Icy Speed: Makes you go very fast in cold biomes. You go quite slow in hot biomes.
Horse:
Iron Rider: While mounted on a horse, you take no damage.
Glastrier: Freezes water while mounted on a horse.
General:
Blazing Heart: When you have less health, you gain strength.
Moon Power: When you are in darkness, you gain strength.
Zeus' Thunder: A lightning bolt strikes the mob hit by the arrow.
Unstable Soul: When you kill a mob, you generate a soul at the position. If you don't touch it, it explodes (the player who killed the mob is immune to the explosion).
Imaginary Path: When you shift, you generate a path of blocks that you can walk on. They disappear over time.
Time Link: Makes items with cooldowns have a shorter cooldown.
Spiritual Mineralization: When killing a mob (zombie, skeleton or creeper) if there is a stone underneath it will generate a mineral