diff --git a/public/board.js b/public/board.js
index 89ad5ab..2db6ae7 100644
--- a/public/board.js
+++ b/public/board.js
@@ -704,7 +704,7 @@ class Board{
 
 		// TODO: Look at combining or normalising this and canPayMana()
 		let manaRequired	= [];
-		if(effectCosts !== null){ manaRequired = effectCosts; }
+		if(effectCosts != null){ manaRequired = effectCosts; }
 		else{ manaRequired = this.getManaTotalOf(itemToPayCost); }
 
 		let noManaReq = {1:0, 2:0, 3:0, 4:0};
diff --git a/public/debug.js b/public/debug.js
index bbc76b7..1a47973 100644
--- a/public/debug.js
+++ b/public/debug.js
@@ -151,3 +151,22 @@ function debugGetCardEffects(itemKey){
 	});
 
 }
+
+function debugEffectCanTrigger(){
+
+	let ecTriggerTargetId = document.getElementById("ecTriggerTargetId").value;
+	if(ecTriggerTargetId == ""){ ecTriggerTargetId = null; }
+
+	let ecTriggerIndex = document.getElementById("ecTriggerIndex").value;
+	if(ecTriggerIndex == ""){ ecTriggerIndex = 0; }
+
+	if(triggerEffect(ecTriggerTargetId, ecTriggerIndex, true) != true){
+		console.log('Effect cannot be triggered');
+		return false;
+	}
+
+	console.log('Effect CAN be triggered');
+	triggerEffect(ecTriggerTargetId, ecTriggerIndex);
+
+}
+
diff --git a/public/effect.js b/public/effect.js
index 5140ddc..cbba37d 100644
--- a/public/effect.js
+++ b/public/effect.js
@@ -6,8 +6,8 @@ let equipped		= {}; // Entity x has [a,b,c] equipped to it
 
 // Trigger types
 const triggerTypes = {
-	1: 'Tap',
-	2: 'Pay',
+	'tap': 1,
+	'pay': 2,
 };
 // Basic effects
 // TODO: Pull display name/description from DB?
@@ -194,3 +194,75 @@ function canTriggerPay(triggerAmount){
 
 }
 
+// Pay/Activate (all) the triggers
+function triggerEffect(itemKey, effectIndex, checkOnly = false){
+
+	// Check card has effectData
+	let effectData = cardEffect[itemKey];
+	if(effectData === undefined){ return false; } // No effect
+
+	// Check effectData contains target effect
+	let effect = effectData[effectIndex];
+	if(effect === undefined){ return false; } // No effect
+
+	// Loop each trigger, AND activate them
+	for (const [key, value] of Object.entries(effect['trigger'])) {
+
+		let effectTrigger = effect['trigger'][key];
+			console.log('--- Trigger '+key+' ---');
+			console.log(effectTrigger['triggerTypeId']);
+
+		// TAP TRIGGER
+		if(effectTrigger['triggerTypeId'] == triggerTypes.tap){
+			if(canTriggerTap(itemKey) == false){
+				console.log('Tap trigger, cannot be triggered');
+				return false;
+			}
+
+			// Do the trigger, then continue to next trigger
+			if(!checkOnly){board.tapCard(itemKey);}
+			continue;
+
+		}
+
+
+		// PAY TRIGGER
+		if(effectTrigger['triggerTypeId'] == triggerTypes.pay){
+
+			// To build the colourReq TODO: Change as could be 1 of either red/blue
+			// for instance
+			let colourReq = {1:0,2:0,3:0,4:0};
+
+			// Loop pay required (colours) for said trigger
+			// BUILD the colourReq loop needed for tapMana check
+			effectTrigger['target'].forEach((effectTriggerTarget) => {
+
+				// Increment colourReq by one of that colour
+				// THIS WILL NEED REDOING, AS MAYBE IT'S 2 OF RED OR BLUE!!
+				colourReq[effectTriggerTarget.colourId]++;
+
+			});
+
+			// Check if the cost (and colour req.) can be paid
+			canPay = board.tapManaRequired(null, null, true, [colourReq, effectTrigger['amount']]);
+			if(canPay !== true){ 
+				console.log('Pay trigger, cannot be triggered');
+				return false;
+			}
+
+			// Pay trigger costs, then continue to next trigger
+			if(!checkOnly){
+				board.tapManaRequired(null, null, false, [colourReq, effectTrigger['amount']]);
+			}
+			continue;
+			
+		}
+
+		// OTHER TRIGGERS
+
+	}
+
+	return true;
+
+}
+
diff --git a/public/index.html b/public/index.html
index fd1bbd7..0d650ff 100644
--- a/public/index.html
+++ b/public/index.html
@@ -101,6 +101,15 @@
 
 		</div>
 
+		<hr>
+		<div>
+			<button onclick="debugEffectCanTrigger();">Debug Effect Can Trigger</button>
+
+			<input type="text" placeholder="targetId" id="ecTriggerTargetId">
+			<input type="text" placeholder="effectIndex" id="ecTriggerIndex">
+
+		</div>
+
 		<hr>
 		<div>
 			<button onclick="requestStartGame()">(Re)start game</button>