2 Iron Block, 4 Gold Block, 1 Diamond Block, 4 Obsidian, 1 Redstone dust
1 use per redstone dust.
Changes between day and night, has a cool down of 20 minutes real time
At level y=100, gold should be north facing, the obsidian should be south, the rune should be exposed to the sun and the iron blocks should be surrounded by t0 blocks like air or stone. Two iron blocks, then a diamond block on top, then 3 gold blocks to the north of diamond, three obsidian to the south of the ore, and one gold block on the left side connecting gold and obsidian, then one obsidian on the right side connecting gold and obsidian.Then there should be a redstone dust on the square 2 blocks to the left of the diamond block