"No spell and two spells were cast last turn" conditions.

Mage/src/mage/abilities/condition/common/NoSpellsWereCastLastTurnCondition.java

@@ -0,0 +1,51 @@
+/*
+ *  Copyright 2010 BetaSteward_at_googlemail.com. All rights reserved.
+ *
+ *  Redistribution and use in source and binary forms, with or without modification, are
+ *  permitted provided that the following conditions are met:
+ *
+ *     1. Redistributions of source code must retain the above copyright notice, this list of
+ *        conditions and the following disclaimer.
+ *
+ *     2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *        of conditions and the following disclaimer in the documentation and/or other materials
+ *        provided with the distribution.
+ *
+ *  THIS SOFTWARE IS PROVIDED BY BetaSteward_at_googlemail.com ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ *  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ *  FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL BetaSteward_at_googlemail.com OR
+ *  CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ *  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ *  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ *  ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ *  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ *  ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ *  The views and conclusions contained in the software and documentation are those of the
+ *  authors and should not be interpreted as representing official policies, either expressed
+ *  or implied, of BetaSteward_at_googlemail.com.
+ */
+package mage.abilities.condition.common;
+
+import mage.abilities.Ability;
+import mage.abilities.condition.Condition;
+import mage.game.Game;
+import mage.watchers.common.CastSpellLastTurnWatcher;
+
+/**
+ * @author nantuko
+ */
+public class NoSpellsWereCastLastTurnCondition implements Condition {
+
+    private static NoSpellsWereCastLastTurnCondition fInstance = new NoSpellsWereCastLastTurnCondition();
+
+    public static Condition getInstance() {
+        return fInstance;
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        CastSpellLastTurnWatcher watcher = (CastSpellLastTurnWatcher) game.getState().getWatchers().get(source.getControllerId(), "CastSpellLastTurnWatcher");
+        return watcher.getAmountOfSpellsCastOnPrevTurn() == 0;
+    }
+}

Mage/src/mage/abilities/condition/common/TwoOrMoreSpellsWereCastLastTurnCondition.java

@@ -0,0 +1,51 @@
+/*
+ *  Copyright 2010 BetaSteward_at_googlemail.com. All rights reserved.
+ *
+ *  Redistribution and use in source and binary forms, with or without modification, are
+ *  permitted provided that the following conditions are met:
+ *
+ *     1. Redistributions of source code must retain the above copyright notice, this list of
+ *        conditions and the following disclaimer.
+ *
+ *     2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *        of conditions and the following disclaimer in the documentation and/or other materials
+ *        provided with the distribution.
+ *
+ *  THIS SOFTWARE IS PROVIDED BY BetaSteward_at_googlemail.com ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ *  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ *  FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL BetaSteward_at_googlemail.com OR
+ *  CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ *  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ *  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ *  ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ *  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ *  ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ *  The views and conclusions contained in the software and documentation are those of the
+ *  authors and should not be interpreted as representing official policies, either expressed
+ *  or implied, of BetaSteward_at_googlemail.com.
+ */
+package mage.abilities.condition.common;
+
+import mage.abilities.Ability;
+import mage.abilities.condition.Condition;
+import mage.game.Game;
+import mage.watchers.common.CastSpellLastTurnWatcher;
+
+/**
+ * @author nantuko
+ */
+public class TwoOrMoreSpellsWereCastLastTurnCondition implements Condition {
+
+    private static TwoOrMoreSpellsWereCastLastTurnCondition fInstance = new TwoOrMoreSpellsWereCastLastTurnCondition();
+
+    public static Condition getInstance() {
+        return fInstance;
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        CastSpellLastTurnWatcher watcher = (CastSpellLastTurnWatcher) game.getState().getWatchers().get(source.getControllerId(), "CastSpellLastTurnWatcher");
+        return watcher.getAmountOfSpellsCastOnPrevTurn() >= 2;
+    }
+}

Mage/src/mage/abilities/keyword/TransformAbility.java

@@ -41,6 +41,9 @@ import mage.game.permanent.Permanent;
  */
 public class TransformAbility extends SimpleStaticAbility {
 
+    public static final String NO_SPELLS_TRANSFORM_RULE = "At the beginning of each upkeep, if no spells were cast last turn, transform {this}";
+    public static final String TWO_OR_MORE_SPELLS_TRANSFORM_RULE = "At the beginning of each upkeep, if a player cast two or more spells last turn, transform {this}";
+
     public TransformAbility() {
         super(Constants.Zone.BATTLEFIELD, new TransformEffect());
     }

Mage/src/mage/game/GameImpl.java

@@ -66,6 +66,7 @@ import mage.abilities.mana.TriggeredManaAbility;
 import mage.cards.CardsImpl;
 import mage.target.Target;
 import mage.target.TargetPermanent;
+import mage.watchers.common.CastSpellLastTurnWatcher;
 import mage.watchers.common.MorbidWatcher;
 import org.apache.log4j.Logger;
 
@@ -435,6 +436,7 @@ public abstract class GameImpl<T extends GameImpl<T>> implements Game, Serializa
 		}
 
         state.getWatchers().add(new MorbidWatcher());
+        state.getWatchers().add(new CastSpellLastTurnWatcher());
         
 		//20100716 - 103.5
 		for (UUID playerId: state.getPlayerList(startingPlayerId)) {

Mage/src/mage/watchers/common/CastSpellLastTurnWatcher.java

@@ -0,0 +1,76 @@
+/*
+ *  Copyright 2010 BetaSteward_at_googlemail.com. All rights reserved.
+ * 
+ *  Redistribution and use in source and binary forms, with or without modification, are
+ *  permitted provided that the following conditions are met:
+ * 
+ *     1. Redistributions of source code must retain the above copyright notice, this list of
+ *        conditions and the following disclaimer.
+ * 
+ *     2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *        of conditions and the following disclaimer in the documentation and/or other materials
+ *        provided with the distribution.
+ * 
+ *  THIS SOFTWARE IS PROVIDED BY BetaSteward_at_googlemail.com ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ *  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ *  FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL BetaSteward_at_googlemail.com OR
+ *  CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ *  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ *  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ *  ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ *  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ *  ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * 
+ *  The views and conclusions contained in the software and documentation are those of the
+ *  authors and should not be interpreted as representing official policies, either expressed
+ *  or implied, of BetaSteward_at_googlemail.com.
+ */
+
+package mage.watchers.common;
+
+import mage.game.Game;
+import mage.game.events.GameEvent;
+import mage.watchers.WatcherImpl;
+
+/**
+ *
+ * @author BetaSteward_at_googlemail.com
+ */
+public class CastSpellLastTurnWatcher extends WatcherImpl<CastSpellLastTurnWatcher> {
+
+    private int amountOfSpellsCastOnPrevTurn;
+    private int amountOfSpellsCastOnCurrentTurn;
+
+    public CastSpellLastTurnWatcher() {
+        super("CastSpellLastTurnWatcher");
+    }
+
+    public CastSpellLastTurnWatcher(final CastSpellLastTurnWatcher watcher) {
+        super(watcher);
+        this.amountOfSpellsCastOnCurrentTurn = watcher.amountOfSpellsCastOnCurrentTurn;
+        this.amountOfSpellsCastOnPrevTurn = watcher.amountOfSpellsCastOnPrevTurn;
+    }
+    
+    @Override
+    public void watch(GameEvent event, Game game) {
+        if (event.getType() == GameEvent.EventType.SPELL_CAST) {
+            amountOfSpellsCastOnCurrentTurn++;
+        }
+    }
+
+    @Override
+	public void reset() {
+        amountOfSpellsCastOnPrevTurn = amountOfSpellsCastOnCurrentTurn;
+        amountOfSpellsCastOnCurrentTurn = 0;
+	}
+
+    public int getAmountOfSpellsCastOnPrevTurn() {
+        return amountOfSpellsCastOnPrevTurn;
+    }
+
+    @Override
+    public CastSpellLastTurnWatcher copy() {
+        return new CastSpellLastTurnWatcher(this);
+    }
+    
+}