diff --git a/mods/change.js b/mods/change.js
new file mode 100644
index 00000000..9511a0c4
--- /dev/null
+++ b/mods/change.js
@@ -0,0 +1,58 @@
+changeTo = "sand";
+
+document.addEventListener("keydown", function(e) { //change prompt listener
+	// r = changeElementPrompt()
+	if (e.keyCode == 186) {
+		e.preventDefault();
+		changeElementPrompt();
+	}
+});
+
+function changeElementPrompt() {
+	var cmToElement = prompt("Enter what you want to change pixels to");
+	// replace spaces with underscores
+	cmToElement = cmToElement.replace(/ /g, "_");
+	cmToElementS = mostSimilarElement(cmToElement);
+	if (cmToElementS === null || cmToElementS === undefined || cmToElementS === "") {
+		alert("Element \"" + cmToElement + "\" not found! Defaulting to sand.");
+		cmToElementS = "sand";
+	};
+	changeTo = cmToElementS;
+	updateChangeDescriptions();	
+}
+
+function updateChangeDescriptions() {
+	elements.change.desc = "Changes any pixels it is used on to a specified type.<br/>Currently replacing pixels with \"" + changeTo + "\".<br/><span onclick=changeElementPrompt() style=\"color: #ff00ff;\";>Press [;] or click here</span> to open the change prompt.";
+	elements.alt_change.desc = "Changes any pixels it is used on to a specified type, but keeping their non-element-based properties.<br/>Currently replacing pixels with \"" + changeTo + "\".<br/><span onclick=changeElementPrompt() style=\"color: #ff00ff;\";>Press [;] or click here</span> to open the change prompt.";
+	elements.alt_alt_change.desc = "Changes any pixels it is used on to a specified type, but keeping their non-element-based properties except for color.<br/>Currently replacing pixels with \"" + changeTo + "\".<br/><span onclick=changeElementPrompt() style=\"color: #ff00ff;\";>Press [;] or click here</span> to open the change prompt.";
+};
+
+elements.change = {
+    color: ["#ff0000", "#ff0000", "#ff0000", "#7f00ff", "#0000ff", "#0000ff", "#0000ff"],
+    tool: function(pixel) {
+		changePixel(pixel,changeTo,true);
+    },
+    category: "tools",
+	desc: "Changes any pixels it is used on to a specified type.<br/>Currently replacing pixels with \"" + changeTo + "\".<br/><span onclick=changeElementPrompt() style=\"color: #ff00ff;\";>Press [;] or click here</span> to open the change prompt.",
+};
+
+elements.alt_change = {
+    color: ["#ffff00", "#ffff00", "#ffff00", "#cf7f4f", "#ff00ff", "#ff00ff", "#ff00ff"],
+    tool: function(pixel) {
+		pixel.element = changeTo;
+    },
+    category: "tools",
+	desc: "Changes any pixels it is used on to a specified type, but keeping their non-element-based properties.<br/>Currently replacing pixels with \"" + changeTo + "\".<br/><span onclick=changeElementPrompt() style=\"color: #ff00ff;\";>Press [;] or click here</span> to open the change prompt.",
+	hidden: true,
+};
+
+elements.alt_alt_change = {
+    color: ["#00ff00", "#00ff00", "#00ff00", "#cfcf00", "#ff0000", "#ff0000", "#ff0000"],
+    tool: function(pixel) {
+		pixel.element = changeTo;
+		pixel.color = pixelColorPick(pixel);
+    },
+    category: "tools",
+	desc: "Changes any pixels it is used on to a specified type, but keeping their non-element-based properties except for color.<br/>Currently replacing pixels with \"" + changeTo + "\".<br/><span onclick=changeElementPrompt() style=\"color: #ff00ff;\";>Press [;] or click here</span> to open the change prompt.",
+	hidden: true,
+};
\ No newline at end of file
diff --git a/mods/triggerable_random_powders.js b/mods/triggerable_random_powders.js
new file mode 100644
index 00000000..12833d55
--- /dev/null
+++ b/mods/triggerable_random_powders.js
@@ -0,0 +1,68 @@
+if(typeof(randomChoices) === "undefined") {
+	randomChoices = [];
+};	//this is generated after mod load, but JS will probably die if I don't have it defined in the code
+
+function randomFromZeroToValue(value) {
+	if(value >= 0) {
+		return Math.floor(Math.random() * (value + 1))
+	} else {
+		return 0 - Math.floor(Math.random() * (Math.abs(value) + 1))
+	};
+};
+
+function randomChoice(array) {
+	var length = array.length;
+	var randomIndex = randomFromZeroToValue(length - 1);
+	return array[randomIndex];
+}
+
+elements.heat_random = {
+	name: "heat-randomized powder",
+    color: ["#4e5f8a","#b334ec","#fa96f9","#b6ecf6","#80ebc8","#e9286b","#8eed91","#b18b30"], //"random"'s colors plus 0x100000
+    behavior: behaviors.POWDER,
+	tick: function(pixel) {
+		if(pixel.temp >= 50) {
+			changePixel(pixel,randomChoice(randomChoices),true);
+		};
+	},
+    state: "solid",
+    category: "powders",
+    density: 1987, //average density of all vanilla elements: 1987.2842952763815
+    temp: 20,
+	desc: "Turns to a random element when heated to 50&deg;C",
+};
+
+elements.cold_random = {
+	name: "cold-randomized powder",
+    color: ["#3e5f9a","#a334fc","#e490ff","#9de3ff","#70ebd8","#d9287b","#7eeda1","#a18b40"], //"random"'s colors plus 0x000010 except where the last byte was above 0xef, where substraction was done to the first two bytes to compensate
+    behavior: behaviors.POWDER,
+	tick: function(pixel) {
+		if(pixel.temp <= -50) {
+			changePixel(pixel,randomChoice(randomChoices),true);
+		};
+	},
+    state: "solid",
+    density: 1987, //average density of all vanilla elements: 1987.2842952763815
+    temp: 20,
+    category: "powders",
+	desc: "Turns to a random element when cooled to -50&deg;C",
+};
+
+elements.shock_random = {
+	name: "shock-randomized powder",
+    color: ["#4e6f8a","#b344ec","#faa6f9","#b6fcf6","#80fbc8","#e9386b","#8efd91","#b19b30"], //"random"'s colors plus 0x101000
+    behavior: behaviors.POWDER,
+	tick: function(pixel) {
+		if(pixel.charge) {
+			delete pixel.charge;
+			pixel.chargeCD = 1;
+			changePixel(pixel,randomChoice(randomChoices),true);
+		};
+	},
+	conduct: 1,
+    state: "solid",
+    density: 1987, //average density of all vanilla elements: 1987.2842952763815
+    temp: 20,
+    category: "powders",
+	desc: "Turns to a random element when shocked",
+}
\ No newline at end of file