diff --git a/forge-game/src/main/java/forge/game/card/CounterEnumType.java b/forge-game/src/main/java/forge/game/card/CounterEnumType.java
index 2a606219a63..bcb297027c8 100644
--- a/forge-game/src/main/java/forge/game/card/CounterEnumType.java
+++ b/forge-game/src/main/java/forge/game/card/CounterEnumType.java
@@ -263,6 +263,8 @@ public enum CounterEnumType {
 
     QUEST("QUEST", 251, 189, 0),
 
+    RITUAL("RITUAL", 155, 17, 30),
+
     RUST("RUST", 255, 181, 116),
 
     SCREAM("SCREM", 0, 220, 255),
diff --git a/forge-gui/res/cardsfolder/upcoming/heirloom_mirror_inherited_fiend.txt b/forge-gui/res/cardsfolder/upcoming/heirloom_mirror_inherited_fiend.txt
new file mode 100644
index 00000000000..c7ff37d2a83
--- /dev/null
+++ b/forge-gui/res/cardsfolder/upcoming/heirloom_mirror_inherited_fiend.txt
@@ -0,0 +1,23 @@
+Name:Heirloom Mirror
+ManaCost:1 B
+Types:Artifact
+A:AB$ Draw | Cost$ 1 T PayLife<1> Discard<1/Card/card> | NumCards$ 1 | SubAbility$ DBMill | SorcerySpeed$ True | StackDescription$ SpellDescription | SpellDescription$ Draw a card, then mill a card.
+SVar:DBMill:DB$ Mill | NumCards$ 1 | Defined$ You | SubAbility$ DBPutCounter1 | StackDescription$ None
+SVar:DBPutCounter1:DB$ PutCounter | CounterType$ RITUAL | CounterNum$ 1 | SubAbility$ DBTransform | StackDescription$ SpellDescription | SpellDescription$ Put a ritual counter on CARDNAME.
+SVar:DBTransform:DB$ SetState | Defined$ Self | Mode$ Transform | ConditionDefined$ Self | ConditionPresent$ Card.counters_GE3_RITUAL | StackDescription$ SpellDescription | SpellDescription$ Then if it has 3 or more ritual counters on it, transform it. Activate only as a sorcery.
+AlternateMode:DoubleFaced
+DeckHas:Ability$Discard & Ability$Mill & Ability$Counters
+Oracle:{1}, {T}, Pay 1 life, Discard a card: Draw a card, then mill a card. Put a ritual counter on Heirloom Mirror. Then if it has 3 or more ritual counters on it, transform it. Activate only as a sorcery.
+
+ALTERNATE
+
+Name:Inherited Fiend
+ManaCost:no cost
+Colors:black
+Types:Creature Demon
+PT:4/4
+K:Flying
+A:AB$ ChangeZone | Cost$ 2 B | Origin$ Graveyard | Destination$ Exile | ValidTgts$ Creature | TgtPrompt$ Select target creature card from a graveyard | SubAbility$ DBPutCounter | StackDescription$ Exile {c:Targeted} from the graveyard. | SpellDescription$ Exile target creature card from a graveyard.
+SVar:DBPutCounter:DB$ PutCounter | CounterType$ P1P1 | CounterNum$ 1 | StackDescription$ SpellDescription | SpellDescription$ Put a +1/+1 counter on CARDNAME.
+DeckHas:Ability$Graveyard & Ability$Counters
+Oracle:Flying\n{2}{B}: Exile target creature card from a graveyard. Put a +1/+1 counter on Inherited Fiend.