diff --git a/forge-game/src/main/java/forge/game/card/CardProperty.java b/forge-game/src/main/java/forge/game/card/CardProperty.java
index 2570a8a36ee..70068787441 100644
--- a/forge-game/src/main/java/forge/game/card/CardProperty.java
+++ b/forge-game/src/main/java/forge/game/card/CardProperty.java
@@ -650,6 +650,10 @@ public class CardProperty {
             if (cards.isEmpty() || !card.equals(cards.get(0))) {
                 return false;
             }
+        } else if (property.startsWith("TopLibrary_")) {
+            CardCollection cards = new CardCollection(card.getOwner().getCardsIn(ZoneType.Library));
+            cards = CardLists.getValidCards(cards, property.substring(11), sourceController, source, spellAbility);
+            if (cards.isEmpty() || !card.equals(cards.get(0))) return false;
         } else if (property.startsWith("TopLibraryLand")) {
             CardCollection cards = CardLists.filter(card.getOwner().getCardsIn(ZoneType.Library), CardPredicates.Presets.LANDS);
             if (cards.isEmpty() || !card.equals(cards.get(0))) {
diff --git a/forge-gui/res/cardsfolder/i/improvising_aerialist.txt b/forge-gui/res/cardsfolder/i/improvising_aerialist.txt
new file mode 100644
index 00000000000..56117666c89
--- /dev/null
+++ b/forge-gui/res/cardsfolder/i/improvising_aerialist.txt
@@ -0,0 +1,7 @@
+Name:Improvising Aerialist
+ManaCost:1 W
+Types:Creature Human Survivor
+PT:3/2
+T:Mode$ Phase | Phase$ Main | PhaseCount$ 2 | ValidPlayer$ You | PresentDefined$ Self | IsPresent$ Card.tapped | Execute$ TrigPerpetual | TriggerDescription$ Survival — At the beginning of your second main phase, if CARDNAME is tapped, CARDNAME and the top creature card in your library without flying perpetually gain flying.
+SVar:TrigPerpetual:DB$ Pump | PumpZone$ Battlefield,Library | Defined$ Self & ValidLibrary Creature.YouOwn+TopLibrary_Creature.withoutFlying | KW$ Flying | Duration$ Perpetual
+Oracle:Survival — At the beginning of your second main phase, if Improvising Aerialist is tapped, Improvising Aerialist and the top creature card in your library without flying perpetually gain flying.