Add Brokkos, Apex of Forever

forge-game/src/main/java/forge/game/ForgeScript.java

@@ -157,6 +157,8 @@ public class ForgeScript {
             return sa.hasParam("Equip");
         } else if (property.equals("Boast")) {
             return sa.isBoast();
+        } else if (property.equals("Mutate")) {
+            return sa.isMutate();
         } else if (property.equals("Foretelling")) {
             return sa.isForetelling();
         } else if (property.equals("Foretold")) {

forge-game/src/main/java/forge/game/spellability/SpellAbilityRestriction.java

@@ -257,6 +257,12 @@ public class SpellAbilityRestriction extends SpellAbilityVariables {
                         }
                     }
 
+                    if (params.containsKey("ValidSA")) {
+                        if (!sa.isValid(params.get("ValidSA").split(","), activator, o.getHost(), null)) {
+                            return false;
+                        }
+                    }
+
                     // TODO: this is an exception for Aftermath. Needs to be somehow generalized.
                     if (this.getZone() != ZoneType.Graveyard && sa.isAftermath() && sa.getCardState() != null) {
                         return false;

forge-gui/res/cardsfolder/b/brokkos_apex_of_forever.txt

@@ -0,0 +1,8 @@
+Name:Brokkos, Apex of Forever
+ManaCost:2 B G U
+Types:Legendary Creature Nightmare Beast Elemental
+PT:6/6
+K:Mutate:2 UB G G
+K:Trample
+S:Mode$ Continuous | Affected$ Card.Self | MayPlay$ True | ValidSA$ Spell.Mutate | AffectedZone$ Graveyard | EffectZone$ Graveyard | Description$ You may cast CARDNAME from your graveyard using its mutate ability.
+Oracle:Mutate {2}{U/B}{G}{G} (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on top plus all abilities from under it.)\nTrample\nYou may cast Brokkos, Apex of Forever from your graveyard using its mutate ability.