Items:
The Copper Heart:
It is created on a workbench, from 4 copper ingots and 1 redstone dust. Use it on a construction made of a copper block, a carved pumpkin and a lightning rod.

Instrumental:
When used, it changes shape to the desired tool or sword. To reset the shape, press F or put it in the secondary hand.

Thunder Weather vane:
Summons a thunderstorm if the weather is clear.

Golem's Fist:
Is a powerful melee weapon, right-click on the mouse, summons dirt spikes.