*Added beginnings of ExileAndPay Cost (It currently assumes exactly *1* *creature* to exile from the *graveyard*. Good enough for the only card to use it. :P Will expand.)

*Added Back from the Brink.

.gitattributes

@@ -701,6 +701,7 @@ res/cardsfolder/a/azors_elocutors.txt -text
 res/cardsfolder/a/azure_drake.txt svneol=native#text/plain
 res/cardsfolder/a/azure_mage.txt svneol=native#text/plain
 res/cardsfolder/a/azusa_lost_but_seeking.txt svneol=native#text/plain
+res/cardsfolder/b/back_from_the_brink.txt -text
 res/cardsfolder/b/back_to_basics.txt svneol=native#text/plain
 res/cardsfolder/b/back_to_nature.txt svneol=native#text/plain
 res/cardsfolder/b/backfire.txt svneol=native#text/plain
@@ -13944,6 +13945,7 @@ src/main/java/forge/card/cost/Cost.java svneol=native#text/plain
 src/main/java/forge/card/cost/CostDamage.java -text
 src/main/java/forge/card/cost/CostDiscard.java -text
 src/main/java/forge/card/cost/CostExile.java -text
+src/main/java/forge/card/cost/CostExileAndPay.java -text
 src/main/java/forge/card/cost/CostGainLife.java -text
 src/main/java/forge/card/cost/CostMill.java -text
 src/main/java/forge/card/cost/CostPart.java -text

res/cardsfolder/b/back_from_the_brink.txt

@@ -0,0 +1,7 @@
+Name:Back from the Brink
+ManaCost:4 U U
+Types:Enchantment
+Text:no text
+A:AB$ CopyPermanent | Cost$ ExileAndPay | Defined$ Exiled | SorcerySpeed$ True | SpellDescription$ Put a token onto the battlefield that's a copy of that card. Activate this ability only any time you could cast a sorcery.
+SetInfo:ISD Rare
+Oracle:Exile a creature card from your graveyard and pay its mana cost: Put a token onto the battlefield that's a copy of that card. Activate this ability only any time you could cast a sorcery.

src/main/java/forge/card/cost/Cost.java

@@ -301,6 +301,10 @@ public class Cost {
             return new CostExile(splitStr[0], splitStr[1], description, ZoneType.Graveyard, true);
         }
         
+        if(parse.equals("ExileAndPay")) {
+            return new CostExileAndPay();
+        }
+    
         if(parse.startsWith("Return<")) {
             final String[] splitStr = abCostParse(parse, 3);
             final String description = splitStr.length > 2 ? splitStr[2] : null;

src/main/java/forge/card/cost/CostExileAndPay.java

@@ -0,0 +1,160 @@
+package forge.card.cost;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import forge.Card;
+import forge.CardLists;
+import forge.card.spellability.SpellAbility;
+import forge.card.spellability.SpellAbilityStackInstance;
+import forge.card.spellability.SpellPermanent;
+import forge.game.GameState;
+import forge.game.ai.ComputerUtilCard;
+import forge.game.ai.ComputerUtilCost;
+import forge.game.player.AIPlayer;
+import forge.game.zone.ZoneType;
+import forge.gui.GuiChoose;
+
+/** 
+ * TODO: Write javadoc for this type.
+ *
+ */
+public class CostExileAndPay extends CostPartWithList {
+
+    /* (non-Javadoc)
+     * @see forge.card.cost.CostPartWithList#doPayment(forge.card.spellability.SpellAbility, forge.Card)
+     */
+    @Override
+    protected void doPayment(SpellAbility ability, Card targetCard) {
+        ability.getActivatingPlayer().getGame().getAction().exile(targetCard);
+    }
+
+    /* (non-Javadoc)
+     * @see forge.card.cost.CostPartWithList#getHashForList()
+     */
+    @Override
+    public String getHashForList() {
+        return "Exiled";
+    }
+
+    /* (non-Javadoc)
+     * @see forge.card.cost.CostPart#canPay(forge.card.spellability.SpellAbility)
+     */
+    @Override
+    public boolean canPay(SpellAbility ability) {
+        return CardLists.getValidCards(ability.getActivatingPlayer().getZone(ZoneType.Graveyard), "Creature", ability.getActivatingPlayer(), ability.getSourceCard()).size() > 0;
+    }
+
+    /* (non-Javadoc)
+     * @see forge.card.cost.CostPart#decideAIPayment(forge.game.player.AIPlayer, forge.card.spellability.SpellAbility, forge.Card)
+     */
+    @Override
+    public PaymentDecision decideAIPayment(AIPlayer ai, SpellAbility ability, Card source) {
+        List<Card> validGrave = CardLists.getValidCards(ability.getActivatingPlayer().getZone(ZoneType.Graveyard), "Creature", ability.getActivatingPlayer(), ability.getSourceCard());
+
+        if(validGrave.size() == 0)
+        {
+            return null;
+        }
+        
+        Card bestCard = null;
+        int bestScore = 0;
+        
+        for(Card candidate : validGrave)
+        {
+            boolean selectable = false;
+            for(SpellAbility sa : candidate.getSpellAbilities())
+            {
+                if(sa instanceof SpellPermanent)
+                {
+                    if(ComputerUtilCost.canPayCost(sa, ai))
+                    {
+                        selectable = true;
+                    }
+                }
+            }
+            
+            if(!selectable)
+            {
+                continue;
+            }
+            
+            int candidateScore = ComputerUtilCard.evaluateCreature(candidate);
+            if(candidateScore > bestScore)
+            {
+                bestScore = candidateScore;
+                bestCard = candidate;
+            }
+        }
+        
+        return bestCard == null ? null : new PaymentDecision(bestCard);
+    }
+
+    /* (non-Javadoc)
+     * @see forge.card.cost.CostPart#payHuman(forge.card.spellability.SpellAbility, forge.game.GameState)
+     */
+    @Override
+    public boolean payHuman(SpellAbility ability, GameState game) {
+        List<Card> validGrave = CardLists.getValidCards(ability.getActivatingPlayer().getZone(ZoneType.Graveyard), "Creature", ability.getActivatingPlayer(), ability.getSourceCard());
+        
+        Card selectedCard = GuiChoose.oneOrNone("Choose a creature card to exile.", validGrave);
+        if(selectedCard == null)
+        {
+            return false;
+        }
+        
+        List<Cost> options = new ArrayList<Cost>();
+        for(SpellAbility sa : selectedCard.getSpellAbilities())
+        {
+            if(sa instanceof SpellPermanent)
+            {
+                options.add(sa.getPayCosts());
+            }
+        }
+        
+        Cost selectedCost = GuiChoose.oneOrNone("Choose a cost", options);
+        if(selectedCost == null)
+        {
+            return false;
+        }
+        
+        final CostPayment pay = new CostPayment(selectedCost, ability);
+        pay.payCost(game);
+        if(!pay.isFullyPaid())
+        {
+            return false;
+        }
+        
+        executePayment(ability,selectedCard);
+        
+        return true;
+    }
+    
+    /* (non-Javadoc)
+     * @see forge.card.cost.CostPart#payAI(forge.card.cost.PaymentDecision, forge.game.player.AIPlayer, forge.card.spellability.SpellAbility, forge.Card)
+     */
+    @Override
+    public void payAI(PaymentDecision decision, AIPlayer ai, SpellAbility ability, Card source) {
+        for (final Card c : decision.cards) {
+            executePayment(ability, c);
+            for(SpellAbility sa : c.getSpellAbilities())
+            {
+                if(sa instanceof SpellPermanent && ComputerUtilCost.canPayCost(sa, ai))
+                {
+                    final CostPayment pay = new CostPayment(sa.getPayCosts(), sa);
+                    pay.payComputerCosts(ai, ai.getGame());
+                }
+            }
+        }
+        this.reportPaidCardsTo(ability);
+    }
+
+    /* (non-Javadoc)
+     * @see forge.card.cost.CostPart#toString()
+     */
+    @Override
+    public String toString() {
+        return "Exile a creature card from your graveyard and pay it's mana cost";
+    }
+
+}