diff --git a/data/scripts.js b/data/scripts.js
index 0a8c8ce0d4..098a688992 100644
--- a/data/scripts.js
+++ b/data/scripts.js
@@ -1222,7 +1222,7 @@ exports.BattleScripts = {
 					if (counter.setupType && hasMove['stormthrow']) rejected = true;
 					break;
 				case 'defog': case 'rapidspin':
-					if (counter.setupType || !!counter['speedsetup'] || (hasMove['rest'] && hasMove['sleeptalk']) || teamDetails.hazardClear > 1) rejected = true;
+					if (counter.setupType || !!counter['speedsetup'] || (hasMove['rest'] && hasMove['sleeptalk']) || teamDetails.hazardClear >= 1) rejected = true;
 					break;
 				case 'fakeout':
 					if (counter.setupType || hasMove['substitute'] || hasMove['switcheroo'] || hasMove['trick']) rejected = true;
@@ -1244,7 +1244,7 @@ exports.BattleScripts = {
 					if (hasMove['rest'] && hasMove['sleeptalk']) rejected = true;
 					break;
 				case 'stealthrock':
-					if (counter.setupType || !!counter['speedsetup'] || hasMove['rest'] || teamDetails.stealthRock > 1) rejected = true;
+					if (counter.setupType || !!counter['speedsetup'] || hasMove['rest'] || teamDetails.stealthRock >= 1) rejected = true;
 					break;
 				case 'switcheroo': case 'trick':
 					if (counter.setupType || counter.Physical + counter.Special < 2) rejected = true;
@@ -1618,12 +1618,14 @@ exports.BattleScripts = {
 				rejectAbility = !counter['sheerforce'];
 			} else if (ability === 'Simple') {
 				rejectAbility = !counter.setupType && !hasMove['cosmicpower'] && !hasMove['flamecharge'];
+			} else if (ability === 'Snow Cloak') {
+				rejectAbility = !teamDetails['hail'];
 			} else if (ability === 'Strong Jaw') {
 				rejectAbility = !counter['bite'];
 			} else if (ability === 'Sturdy') {
 				rejectAbility = !!counter['recoil'] && !counter['recovery'];
 			} else if (ability === 'Swift Swim') {
-				rejectAbility = !hasMove['raindance'];
+				rejectAbility = !hasMove['raindance'] && !teamDetails['rain'];
 			} else if (ability === 'Unburden') {
 				rejectAbility = template.baseStats.spe > 120 || (template.id === 'slurpuff' && !counter.setupType);
 			}
@@ -1677,6 +1679,8 @@ exports.BattleScripts = {
 				ability = 'Magic Guard';
 			} else if (template.id === 'unfezant') {
 				ability = 'Super Luck';
+			} else if (template.id === 'venusaurmega') {
+				ability = 'Chlorophyll';
 			}
 		}
 
@@ -1813,7 +1817,7 @@ exports.BattleScripts = {
 			item = 'Air Balloon';
 		} else if (hasMove['outrage'] && (counter.setupType || ability === 'Multiscale')) {
 			item = 'Lum Berry';
-		} else if (ability === 'Moody' || hasMove['clearsmog'] || hasMove['detect'] || hasMove['protect'] || hasMove['substitute']) {
+		} else if (ability === 'Moody' || hasMove['clearsmog'] || hasMove['detect'] || hasMove['protect'] || hasMove['sleeptalk'] || hasMove['substitute']) {
 			item = 'Leftovers';
 		} else if (hasMove['lightscreen'] || hasMove['reflect']) {
 			item = 'Light Clay';
@@ -2100,6 +2104,8 @@ exports.BattleScripts = {
 
 			// Increment mega, stealthrock, and base species counters
 			if (isMegaSet) teamDetails.megaCount++;
+			if (set.ability === 'Snow Warning') teamDetails['hail'] = 1;
+			if (set.ability === 'Drizzle' || set.moves.indexOf('raindance') >= 0) teamDetails['rain'] = 1;
 			if (set.moves.indexOf('stealthrock') >= 0) teamDetails.stealthRock++;
 			if (set.moves.indexOf('defog') >= 0 || set.moves.indexOf('rapidspin') >= 0) teamDetails.hazardClear++;
 			baseFormes[template.baseSpecies] = 1;