diff --git a/ai_comp/ai.py b/ai_comp/ai.py
index a81075d..31ade04 100644
--- a/ai_comp/ai.py
+++ b/ai_comp/ai.py
@@ -244,10 +244,18 @@ class VivianAI(RandomAI):
                 max_trump_played = 1
 
             for i in range(n_cards):
+                # Favour highest cards
+                card_viability[i] += (card_suits[i] == leading_suit & card_nums[i] == high_cards[leading_suit-1]) * 1.2
+
+                # Favour low cards if trumped
                 if trumped:
                     card_viability[i] -= card_nums[i]/7 * (card_suits[i] != self.table_status['trump suit'])
 
-                card_viability[i] += (card_nums[i] < max_played_num) / card_nums[i]
+                # Favour low cards if cannot higher
+                if max(card_nums) < max_played_num:
+                    card_viability[i] += 1 / card_nums[i]
+
+                # Favour low trump cards which wins if trumping is possible
                 if card_suits[i] == self.table_status['trump suit'] and\
                         card_nums[i] > max_trump_played:
                     card_viability[i] *= 2 / card_nums[i]
diff --git a/main.py b/main.py
index 8acda9e..c8906ea 100644
--- a/main.py
+++ b/main.py
@@ -8,8 +8,8 @@ This script is to run the game. It would process any input argument and pass int
 """
 
 if __name__ == '__main__':
-    AUTOPLAY = False
-    VIEW_ALL_CARDS = False
+    AUTOPLAY = True
+    VIEW_ALL_CARDS = True
     TERMINAL = False
 
     if len(sys.argv) > 1: