* BestowAbility - Fixed that the Bestow card stays as creature on the battlefield when the creature it was enchanting leaves the battlefield.

Mage.Sets/src/mage/sets/theros/SpearpointOread.java

@@ -33,7 +33,6 @@ import mage.abilities.Ability;
 import mage.abilities.common.SimpleStaticAbility;
 import mage.abilities.effects.Effect;
 import mage.abilities.effects.common.continious.BoostEnchantedEffect;
-import mage.abilities.effects.common.combat.CantBeBlockedByOneEffect;
 import mage.abilities.effects.common.continious.GainAbilityAttachedEffect;
 import mage.abilities.keyword.BestowAbility;
 import mage.abilities.keyword.FirstStrikeAbility;

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

@@ -29,35 +29,71 @@
 package mage.abilities.keyword;
 
 import mage.abilities.Ability;
-import mage.constants.Zone;
-import mage.abilities.ActivatedAbilityImpl;
 import mage.abilities.SpellAbility;
 import mage.abilities.common.SimpleStaticAbility;
-import mage.abilities.costs.common.DiscardSourceCost;
 import mage.abilities.costs.mana.ManaCostsImpl;
 import mage.abilities.effects.ContinuousEffectImpl;
-import mage.abilities.effects.Effect;
 import mage.abilities.effects.common.AttachEffect;
 import mage.abilities.effects.common.continious.SourceEffect;
 import mage.cards.Card;
 import mage.constants.CardType;
 import mage.constants.Duration;
 import mage.constants.Layer;
-import static mage.constants.Layer.TypeChangingEffects_4;
 import mage.constants.Outcome;
 import mage.constants.SubLayer;
+import mage.constants.Zone;
 import mage.game.Game;
 import mage.game.permanent.Permanent;
 import mage.game.stack.Spell;
 import mage.target.TargetPermanent;
-import mage.target.common.TargetAttackingCreature;
 import mage.target.common.TargetCreaturePermanent;
 
 /**
  *
+ * 702.102. Bestow
  *
- * Bestow
- * FIXME: Add offical rulings
+ * 702.102a Bestow represents two static abilities, one that functions while the card with bestow is
+ * on the stack and another that functions both while it’s on stack and while it’s on the battlefield.
+ * “Bestow [cost]” means “You may cast this card by paying [cost] rather than its mana cost.” and “If
+ * you chose to pay this spell’s bestow cost, it becomes an Aura enchantment and gains enchant creature.
+ * These effects last until one of two things happens: this spell has an illegal target as it resolves
+ * and or the permanent this spell becomes, becomes unattached.” Paying a card’s bestow cost follows the
+ * rules for paying alternative costs in rules 601.2b and 601.2e–g.
+ *
+ * 702.102b If a spell’s controller chooses to pay its bestow cost, that player chooses a legal target
+ * for that Aura spell as defined by its enchant creature ability and rule 601.2c. See also rule 303.4.
+ *
+ * 702.102c A spell’s controller can’t choose to pay its bestow cost unless that player can choose a legal
+ * target for that spell after it becomes an Aura spell.
+ *
+ * 702.102d As an Aura spell with bestow begins resolving, if its target is illegal, the effect making
+ * it an Aura spell ends. It continues resolving as a creature spell and will be put onto the battlefield
+ * under the control of the spell’s controller. This is an exception to rule 608.3a.
+ *
+ * You don’t choose whether the spell is going to be an Aura spell or not until the spell is already on
+ * the stack. Abilities that affect when you can cast a spell, such as flash, will apply to the creature
+ * card in whatever zone you’re casting it from. For example, an effect that said you can cast creature
+ * spells as though they have flash will allow you to cast a creature card with bestow as an Aura spell
+ * anytime you could cast an instant.
+ *
+ * On the stack, a spell with bestow is either a creature spell or an Aura spell. It’s never both.
+ *
+ * Unlike other Aura spells, an Aura spell with bestow isn’t countered if its target is illegal as it
+ * begins to resolve. Rather, the effect making it an Aura spell ends, it loses enchant creature, it
+ * returns to being an enchantment creature spell, and it resolves and enters the battlefield as an
+ * enchantment creature.
+ *
+ * Unlike other Auras, an Aura with bestow isn’t put into its owner’s graveyard if it becomes unattached.
+ * Rather, the effect making it an Aura ends, it loses enchant creature, and it remains on the
+ * battlefield as an enchantment creature. It can attack (and its {T} abilities can be activated,
+ * if it has any) on the turn it becomes unattached if it’s been under your control continuously,
+ * even as an Aura, since your most recent turn began.
+ *
+ * If a permanent with bestow enters the battlefield by any method other than being cast, it will be
+ * an enchantment creature. You can’t choose to pay the bestow cost and have it become an Aura.
+ *
+ * Auras attached to a creature don’t become tapped when the creature becomes tapped. Except in some
+ * rare cases, an Aura with bestow remains untapped when it becomes unattached and becomes a creature.
  *
  *
  * @author LevelX2

Mage/src/mage/game/GameImpl.java

@@ -1215,10 +1215,13 @@ public abstract class GameImpl<T extends GameImpl<T>> implements Game, Serializa
             if (filterAura.match(perm, this)) {
                 //20091005 - 704.5n, 702.14c
                 if (perm.getAttachedTo() == null) {
+                    Card card = this.getCard(perm.getId());
+                    if (card != null && !card.getCardType().contains(CardType.CREATURE)) { // no bestow creature
                         if (perm.moveToZone(Zone.GRAVEYARD, null, this, false)) {
                             somethingHappened = true;
                         }
                     }
+                }
                 else {
                     Target target = perm.getSpellAbility().getTargets().get(0);
                     if (target instanceof TargetPermanent) {