diff --git a/public/effect.js b/public/effect.js
new file mode 100644
index 0000000..44b6b85
--- /dev/null
+++ b/public/effect.js
@@ -0,0 +1,112 @@
+// Passive effects (just does stuff)
+let flight		= {};
+let reach		= {};
+let equipped		= {}; // Entity x has [a,b,c] equipped to it
+
+
+// Actives to add passives
+function giveFlight(card){
+	flight[card] = true;
+}
+function removeFlight(card){
+	// If the card has flight delete entity component
+	if(card in flight){
+		delete flight[card];
+		return true;
+	}
+	return false;
+}
+
+// Active
+function equip(){
+	// Equip card to another unit
+
+}
+function unequip(){
+	// Remove card from its equipped to unit
+
+}
+
+function heal(healAmount, healPlayer){
+	// For each heal 1..4 
+	for(let i = 0; i < healAmount; i++){
+		// Loop shield
+		let items = this.getItems('shield', healPlayer, null, null);
+		for(let item = 0; item < items.length; item++){
+
+			let itemKey = items[item];
+			// If a shield is tapped, untap it to 'heal'
+			if(board.isTapped(itemKey)){
+				board.untapCard(itemKey);
+			}
+
+		}
+	}
+}
+
+function hurt(hurtDamage, hurtTarget = null, hurtPlayer = null){
+	// Deal X000 damage to unit this turn, or deal Y to opponent's shield
+	
+	// Set player/element
+	if(hurtPlayer == null && hurtTarget != null){
+		hurtPlayer = player[hurtTarget];
+		hurtElement = boardElement[hurtTarget];
+	}else{
+		hurtElement = 'shield'
+	}
+
+	switch(hurtElement){
+		case 'board':
+			// TODO: Make temp damage this turn as well
+			if(hurtDamage >= cardAttack[hurtTarget][0]){
+				board.sendToGrave(hurtTarget);
+			}
+			break;
+
+		case 'shield':
+			let destroyCount = cardAttackToShieldDamage(hurtDamage);
+			console.log(destroyCount);
+			// TODO: loop player's shield, tap if they can be tapped, destroy
+			// if all already tapped
+
+			// While there's still damage to deal
+			while(destroyCount > 0){
+
+				// Keep looping through the shield belonging to target user
+				let items = board.getItems('shield', hurtPlayer, null, null);
+				let tappedItems = board.getItems('shield', hurtPlayer, 'tapped', null);
+
+				for(let item = 0; item < items.length; item++){
+
+					// If nothing more to destroy, exit loop
+					if(destroyCount <= 0){ break; }
+
+					let itemKey = items[item];
+					console.log(itemKey);
+					console.log(cardStatus[itemKey]);
+
+					// If there's anything to tap, tap it
+					if(cardStatus[itemKey] == null){
+						console.log('been tapped');
+						board.tapCard(itemKey);
+						destroyCount--;
+						continue;
+					}
+
+					// If there's nothing to tap, destroy it
+					if(items.length == tappedItems.length){
+						console.log('been destroyed');
+						board.destroyShield(itemKey);
+						destroyCount--;
+						continue;
+					}
+
+				}
+			}
+
+			board.drawBoard();
+			break; // end case 'shield'
+
+	}
+}
+
diff --git a/public/helper.js b/public/helper.js
new file mode 100644
index 0000000..bb995ac
--- /dev/null
+++ b/public/helper.js
@@ -0,0 +1,6 @@
+function cardAttackToShieldDamage(attack){
+	if (attack >= 10000){ return 3; }
+	if (attack >= 5001){ return 2; }
+	if (attack >= 1){ return 1; }
+}
+
diff --git a/public/index.html b/public/index.html
index d0ccafc..1bed34f 100644
--- a/public/index.html
+++ b/public/index.html
@@ -69,6 +69,8 @@
 		<script src="/shapes.js"></script>
 		<script src="/main.js"></script>
 		<script src="/board.js"></script>
+		<script src="/helper.js"></script>
+		<script src="/effect.js"></script>
 	</body>
 
 </html>