Fix cost changes and play restrictions on morphs.

Dream Chisel now works on all morphs (including Zoetic Cavern), and cards like Meddling Mage don't prohibit the named card to be cast face down.

forge-game/src/main/java/forge/game/card/CardFactoryUtil.java

@@ -94,14 +94,10 @@ public class CardFactoryUtil {
 
             @Override
             public boolean canPlay() {
-                //Lands do not have SpellPermanents.
-                if (sourceCard.isLand()) {
-                    return (sourceCard.getGame().getZoneOf(sourceCard).is(ZoneType.Hand) || sourceCard.hasKeyword("May be played"))
-                            && sourceCard.getController().canCastSorcery();
-                }
-                else {
-                    return sourceCard.getSpellPermanent().canPlay();
-                }
+            	sourceCard.setState(CardCharacteristicName.FaceDown);
+                boolean success = super.canPlay();
+            	sourceCard.setState(CardCharacteristicName.Original);
+            	return success;
             }
         };
 

forge-game/src/main/java/forge/game/mana/ManaCostAdjustment.java

@@ -9,6 +9,7 @@ import org.apache.commons.lang3.StringUtils;
 
 import com.google.common.collect.Lists;
 
+import forge.card.CardCharacteristicName;
 import forge.card.mana.ManaCostShard;
 import forge.game.Game;
 import forge.game.ability.AbilityUtils;
@@ -38,6 +39,7 @@ public class ManaCostAdjustment {
             return;
         }
     
+        boolean isStateChangeToFaceDown = false;
         if (sa.isSpell()) {
             if (sa.isDelve()) {
                 final Player pc = originalCard.getController();
@@ -52,6 +54,10 @@ public class ManaCostAdjustment {
             }
             else if (sa.getHostCard().hasKeyword("Convoke")) {
                 adjustCostByConvoke(cost, sa);
+            } else if (((Spell) sa).isCastFaceDown()) {
+            	// Turn face down to apply cost modifiers correctly
+            	originalCard.setState(CardCharacteristicName.FaceDown);
+            	isStateChangeToFaceDown = true;
             }
         } // isSpell
     
@@ -97,7 +103,13 @@ public class ManaCostAdjustment {
         for (final StaticAbility stAb : setAbilities) {
             applyAbility(stAb, "SetCost", sa, cost);
         }
-    } // GetSpellCostChange
+        
+        // Reset card state (if changed)
+        if (isStateChangeToFaceDown) {
+        	originalCard.setState(CardCharacteristicName.Original);
+        }
+    }
+  // GetSpellCostChange
 
 
     /**

forge-game/src/main/java/forge/game/spellability/Spell.java

@@ -89,8 +89,8 @@ public abstract class Spell extends SpellAbility implements java.io.Serializable
             return false;
         }
 
-        // for uncastables like lotus bloom, check if manaCost is blank
-        if (isBasicSpell() && card.getManaCost().isNoCost()) {
+        // for uncastables like lotus bloom, check if manaCost is blank (except for morph spells)
+        if (!isCastFaceDown() && isBasicSpell() && card.getManaCost().isNoCost()) {
             return false;
         }