- Minor logic tweak (Buyback) + AI property

- hasXInAnyCostPart doesn't need a SA parameter now that it's in Cost.
- Fixed a minor mistype on mobile Forge.

forge-ai/src/main/java/forge/ai/AiController.java

@@ -709,9 +709,11 @@ public class AiController {
         }
 
         // Trying to play a card that has Buyback without a Buyback cost, look for possible additional considerations
+        if (getBooleanProperty(AiProps.TRY_TO_PRESERVE_BUYBACK_SPELLS)) {
             if (card.hasKeyword(Keyword.BUYBACK) && !sa.isBuyBackAbility() && !canPlaySpellWithoutBuyback(card, sa)) {
                 return AiPlayDecision.NeedsToPlayCriteriaNotMet;
             }
+        }
 
         // When processing a new SA, clear the previously remembered cards that have been marked to avoid re-entry
         // which might potentially cause a stack overflow.

forge-ai/src/main/java/forge/ai/AiProps.java

@@ -58,6 +58,7 @@ public enum AiProps { /** */
     THRESHOLD_TOKEN_CHUMP_TO_SAVE_PLANESWALKER ("135"), /** */
     THRESHOLD_NONTOKEN_CHUMP_TO_SAVE_PLANESWALKER ("110"), /** */
     CHUMP_TO_SAVE_PLANESWALKER_ONLY_ON_LETHAL ("true"), /** */
+    TRY_TO_PRESERVE_BUYBACK_SPELLS ("true"), /** */
     MIN_SPELL_CMC_TO_COUNTER ("0"), /** */
     CHANCE_TO_COUNTER_CMC_1 ("50"), /** */
     CHANCE_TO_COUNTER_CMC_2 ("75"), /** */

forge-gui/res/ai/Cautious.ai

@@ -244,6 +244,10 @@ BOUNCE_ALL_ELSEWHERE_NONCREAT_EVAL_DIFF=3
 # library to put some into the graveyard.
 INTUITION_ALTERNATIVE_LOGIC=true
 
+# If enabled, the AI will run some additional checks in order to try to preserve spells that have Buyback and not
+# use them unless absolutely necessary (or unless multiple copies are in hand).
+TRY_TO_PRESERVE_BUYBACK_SPELLS=true
+
 # How big of a difference is allowed between the revealed card CMC and the currently castable CMC to still put the
 # card on top of the library
 EXPLORE_MAX_CMC_DIFF_TO_PUT_IN_GRAVEYARD=2

forge-gui/res/ai/Default.ai

@@ -245,6 +245,10 @@ BOUNCE_ALL_ELSEWHERE_NONCREAT_EVAL_DIFF=3
 # library to put some into the graveyard.
 INTUITION_ALTERNATIVE_LOGIC=true
 
+# If enabled, the AI will run some additional checks in order to try to preserve spells that have Buyback and not
+# use them unless absolutely necessary (or unless multiple copies are in hand).
+TRY_TO_PRESERVE_BUYBACK_SPELLS=true
+
 # How big of a difference is allowed between the revealed card CMC and the currently castable CMC to still put the
 # card on top of the library
 EXPLORE_MAX_CMC_DIFF_TO_PUT_IN_GRAVEYARD=2

forge-gui/res/ai/Experimental.ai

@@ -245,6 +245,10 @@ BOUNCE_ALL_ELSEWHERE_NONCREAT_EVAL_DIFF=5
 # library to put some into the graveyard.
 INTUITION_ALTERNATIVE_LOGIC=true
 
+# If enabled, the AI will run some additional checks in order to try to preserve spells that have Buyback and not
+# use them unless absolutely necessary (or unless multiple copies are in hand).
+TRY_TO_PRESERVE_BUYBACK_SPELLS=true
+
 # How big of a difference is allowed between the revealed card CMC and the currently castable CMC to still put the
 # card on top of the library
 EXPLORE_MAX_CMC_DIFF_TO_PUT_IN_GRAVEYARD=2

forge-gui/res/ai/Reckless.ai

@@ -245,6 +245,10 @@ BOUNCE_ALL_ELSEWHERE_NONCREAT_EVAL_DIFF=3
 # library to put some into the graveyard.
 INTUITION_ALTERNATIVE_LOGIC=true
 
+# If enabled, the AI will run some additional checks in order to try to preserve spells that have Buyback and not
+# use them unless absolutely necessary (or unless multiple copies are in hand).
+TRY_TO_PRESERVE_BUYBACK_SPELLS=false
+
 # How big of a difference is allowed between the revealed card CMC and the currently castable CMC to still put the
 # card on top of the library
 EXPLORE_MAX_CMC_DIFF_TO_PUT_IN_GRAVEYARD=1