Updated "this spell" wordings

Mage/src/main/java/mage/abilities/common/CastOnlyIfConditionIsTrueEffect.java

@@ -50,7 +50,7 @@ public class CastOnlyIfConditionIsTrueEffect extends ContinuousRuleModifyingEffe
     }
 
     private String setText() {
-        StringBuilder sb = new StringBuilder("cast {this} only ");
+        StringBuilder sb = new StringBuilder("cast this spell only ");
         if (condition != null) {
             sb.append(' ').append(condition.toString());
         }

Mage/src/main/java/mage/abilities/effects/common/ruleModifying/CastOnlyDuringPhaseStepSourceEffect.java

@@ -59,7 +59,7 @@ public class CastOnlyDuringPhaseStepSourceEffect extends ContinuousRuleModifying
     }
 
     private String setText() {
-        StringBuilder sb = new StringBuilder("cast {this} only during ");
+        StringBuilder sb = new StringBuilder("cast this spell only during ");
         if (turnPhase != null) {
             sb.append(turnPhase.toString());
         }

Mage/src/main/java/mage/abilities/effects/common/ruleModifying/CastOnlyIfYouHaveCastAnotherSpellEffect.java

@@ -17,7 +17,7 @@ public class CastOnlyIfYouHaveCastAnotherSpellEffect extends ContinuousRuleModif
 
     public CastOnlyIfYouHaveCastAnotherSpellEffect() {
         super(Duration.EndOfGame, Outcome.Detriment);
-        staticText = "Cast {this} only if you've cast another spell this turn";
+        staticText = "Cast this spell only if you've cast another spell this turn";
     }
 
     public CastOnlyIfYouHaveCastAnotherSpellEffect(final CastOnlyIfYouHaveCastAnotherSpellEffect effect) {