Teaching AI proliferate and shocklands

Some minor changes, corrections to XLN and C17, changing name of game mode from horde to tribal wars

projects/mtg/bin/Res/rules/horde.txt

@@ -1,5 +1,5 @@
 include mtg.txt
-name=Horde
+name=Tribal Wars
 unlock=prx_horde
 [INIT]
 mode=horde

projects/mtg/src/AIPlayerBaka.cpp

@@ -710,6 +710,13 @@ int OrderedAIAction::getEfficiency()
 	{
 		if(ability->source->hasType(Subtypes::TYPE_PLANESWALKER))
 			efficiency += 40;
+		else if(ability->source->hasType(Subtypes::TYPE_LAND))
+			{ // probably a shockland, don't pay life if hand is empty
+				if (p->life<=2)
+					// check that's not a manland(like Celestial Colonnade)
+					if(efficiency < 50)
+						efficiency = 0;
+			} 
 	}
 
 	SAFE_DELETE(transAbility);

projects/mtg/src/MTGAbility.cpp

@@ -4549,6 +4549,8 @@ int AbilityFactory::abilityEfficiency(MTGAbility * a, Player * p, int mode, Targ
         return BAKA_EFFECT_GOOD;
 	 if (dynamic_cast<AARemoveAllCounter *> (a))
          return BAKA_EFFECT_BAD;
+	 if (dynamic_cast<AAProliferate *> (a))
+		 return BAKA_EFFECT_GOOD;
 
     // Equipment that gets immediately attached. Todo: check the abilities associated with Equip, to make sure they're good (for now it seems to be the majority of the cases)?
     if (dynamic_cast<AEquip *> (a))