Elytra Bombing

When flying:

• if you hold a tnt and a flint and steel in your main and off hands
  • Right-clicking will use the flint and steel and summon a primed tnt with the velocity of the player * 1.2
• if you hold just an anvil and no item in your other hand
  • Right-clicking will summon an anvil falling block with the velocity of the player * 1.2