diff --git a/Mage.Server.Plugins/Mage.Player.AIMinimax/src/mage/player/ai/ComputerPlayer2.java b/Mage.Server.Plugins/Mage.Player.AIMinimax/src/mage/player/ai/ComputerPlayer2.java
index 6b145ff62c3..1ef23ff9fd1 100644
--- a/Mage.Server.Plugins/Mage.Player.AIMinimax/src/mage/player/ai/ComputerPlayer2.java
+++ b/Mage.Server.Plugins/Mage.Player.AIMinimax/src/mage/player/ai/ComputerPlayer2.java
@@ -372,13 +372,14 @@ public class ComputerPlayer2 extends ComputerPlayer<ComputerPlayer2> implements
 		}
 		node.setGameValue(game.getState().getValue());
 		SimulatedPlayer currentPlayer = (SimulatedPlayer) game.getPlayer(game.getPlayerList().get());
+		logger.fine("simulating -- player " + currentPlayer.getName());
 		SimulationNode bestNode = null;
 		List<Ability> allActions = currentPlayer.simulatePriority(game, filter);
 		if (logger.isLoggable(Level.FINE))
 			logger.fine("simulating -- adding " + allActions.size() + " children:" + allActions);
 		for (Ability action: allActions) {
 			Game sim = game.copy();
-			if (sim.getPlayer(playerId).activateAbility((ActivatedAbility) action.copy(), sim)) {
+			if (sim.getPlayer(currentPlayer.getId()).activateAbility((ActivatedAbility) action.copy(), sim)) {
 				sim.applyEffects();
 				if (!sim.isGameOver() && action.isUsesStack()) {
 					// only pass if the last action uses the stack
diff --git a/Mage.Server.Plugins/Mage.Player.AIMinimax/src/mage/player/ai/ComputerPlayer3.java b/Mage.Server.Plugins/Mage.Player.AIMinimax/src/mage/player/ai/ComputerPlayer3.java
index afa0f883dc7..23191d1c8e2 100644
--- a/Mage.Server.Plugins/Mage.Player.AIMinimax/src/mage/player/ai/ComputerPlayer3.java
+++ b/Mage.Server.Plugins/Mage.Player.AIMinimax/src/mage/player/ai/ComputerPlayer3.java
@@ -230,13 +230,13 @@ public class ComputerPlayer3 extends ComputerPlayer2 implements Player {
 					else {
 						switch (game.getTurn().getStepType()) {
 							case PRECOMBAT_MAIN:
-									val = simulateCombat(game, node, depth-1, alpha, beta, false);
+								val = -simulateCombat(game, node, depth-1, alpha, beta, false);
 								break;
 							case POSTCOMBAT_MAIN:
-									val = simulateCounterAttack(game, node, depth-1, alpha, beta);
+								val = -simulateCounterAttack(game, node, depth-1, alpha, beta);
 								break;
 							default:
-									val = GameStateEvaluator.evaluate(playerId, game);
+								val = -GameStateEvaluator.evaluate(playerId, game);
 								break;
 						}
 					}
diff --git a/Mage.Server/plugins/mage-player-aiminimax.jar b/Mage.Server/plugins/mage-player-aiminimax.jar
index c733ae46014..894e7fee898 100644
Binary files a/Mage.Server/plugins/mage-player-aiminimax.jar and b/Mage.Server/plugins/mage-player-aiminimax.jar differ
diff --git a/Mage.Sets/src/mage/sets/riseoftheeldrazi/SeaGateOracle.java b/Mage.Sets/src/mage/sets/riseoftheeldrazi/SeaGateOracle.java
index 73948b07419..9ab3205ab76 100644
--- a/Mage.Sets/src/mage/sets/riseoftheeldrazi/SeaGateOracle.java
+++ b/Mage.Sets/src/mage/sets/riseoftheeldrazi/SeaGateOracle.java
@@ -59,7 +59,7 @@ public class SeaGateOracle extends CardImpl<SeaGateOracle> {
 		this.subtype.add("Human");
 		this.subtype.add("Wizard");
 		this.power = new MageInt(1);
-		this.toughness = new MageInt(1);
+		this.toughness = new MageInt(3);
 		this.addAbility(new EntersBattlefieldTriggeredAbility(new SeaGateOracleEffect(), false));
 	}
 
diff --git a/Mage/src/mage/abilities/common/PassAbility.java b/Mage/src/mage/abilities/common/PassAbility.java
index d0ac2e1da81..3dadc962ae4 100644
--- a/Mage/src/mage/abilities/common/PassAbility.java
+++ b/Mage/src/mage/abilities/common/PassAbility.java
@@ -28,9 +28,11 @@
 
 package mage.abilities.common;
 
+import java.util.UUID;
 import mage.Constants.Zone;
 import mage.abilities.ActivatedAbilityImpl;
 import mage.abilities.effects.common.PassEffect;
+import mage.game.Game;
 
 /**
  *
@@ -51,6 +53,11 @@ public class PassAbility extends ActivatedAbilityImpl<PassAbility> {
 		return new PassAbility(this);
 	}
 
+	@Override
+	public boolean canActivate(UUID playerId, Game game) {
+		return true;
+	}
+
 	@Override
 	public String toString() {
 		return "Pass";
diff --git a/Mage/src/mage/abilities/effects/common/PlayTargetWithoutPayingManaEffect.java b/Mage/src/mage/abilities/effects/common/PlayTargetWithoutPayingManaEffect.java
index 5e3859156f9..9867106250b 100644
--- a/Mage/src/mage/abilities/effects/common/PlayTargetWithoutPayingManaEffect.java
+++ b/Mage/src/mage/abilities/effects/common/PlayTargetWithoutPayingManaEffect.java
@@ -58,7 +58,10 @@ public class PlayTargetWithoutPayingManaEffect extends OneShotEffect<PlayTargetW
 	public boolean apply(Game game, Ability source) {
 		Player controller = game.getPlayer(source.getControllerId());
 		Card target = (Card) game.getObject(source.getFirstTarget());
-		return controller.cast(target.getSpellAbility(), game, true);
+		if (controller != null && target != null) {
+			return controller.cast(target.getSpellAbility(), game, true);
+		}
+		return false;
 	}
 
 	@Override