From 541d8e9e1aa34e60bd6582471b11b645caf6abd2 Mon Sep 17 00:00:00 2001
From: tool4ever <therealtoolkit@hotmail.com>
Date: Fri, 9 Feb 2024 14:15:54 +0100
Subject: [PATCH] Allow null to be acceptable (#4653)

---
 forge-game/src/main/java/forge/game/CardTraitBase.java | 5 +++--
 forge-gui/res/cardsfolder/d/deep_gnome_terramancer.txt | 2 +-
 2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/forge-game/src/main/java/forge/game/CardTraitBase.java b/forge-game/src/main/java/forge/game/CardTraitBase.java
index e7a09ee5eb2..c5070d29e54 100644
--- a/forge-game/src/main/java/forge/game/CardTraitBase.java
+++ b/forge-game/src/main/java/forge/game/CardTraitBase.java
@@ -237,10 +237,11 @@ public abstract class CardTraitBase extends GameObject implements IHasCardView,
     }
 
     public boolean matchesValidParam(String param, final Object o, final Card srcCard) {
+        boolean result = hasParam("Invert" + param);
         if (hasParam(param) && !matchesValid(o, getParam(param).split(","), srcCard)) {
-            return false;
+            return result;
         }
-        return true;
+        return !result;
     }
 
     public boolean matchesValidParam(String param, final Object o) {
diff --git a/forge-gui/res/cardsfolder/d/deep_gnome_terramancer.txt b/forge-gui/res/cardsfolder/d/deep_gnome_terramancer.txt
index 9f03d4c538b..c0f2e0b99cd 100644
--- a/forge-gui/res/cardsfolder/d/deep_gnome_terramancer.txt
+++ b/forge-gui/res/cardsfolder/d/deep_gnome_terramancer.txt
@@ -3,7 +3,7 @@ ManaCost:1 W
 Types:Creature Gnome Wizard
 PT:2/2
 K:Flash
-T:Mode$ ChangesZoneAll | ValidCards$ Land.OppCtrl | ValidCause$ !LandAbility | Destination$ Battlefield | TriggerZones$ Battlefield | ResolvedLimit$ 1 | Execute$ TrigSearch | OptionalDecider$ You | TriggerDescription$ Mold Earth — Whenever one or more lands enter the battlefield under an opponent's control without being played, you may search your library for a Plains card, put it onto the battlefield tapped, then shuffle. Do this only once each turn.
+T:Mode$ ChangesZoneAll | ValidCards$ Land.OppCtrl | ValidCause$ LandAbility | InvertValidCause$ True | Destination$ Battlefield | TriggerZones$ Battlefield | ResolvedLimit$ 1 | Execute$ TrigSearch | OptionalDecider$ You | TriggerDescription$ Mold Earth — Whenever one or more lands enter the battlefield under an opponent's control without being played, you may search your library for a Plains card, put it onto the battlefield tapped, then shuffle. Do this only once each turn.
 SVar:TrigSearch:DB$ ChangeZone | Origin$ Library | Destination$ Battlefield | Tapped$ True | ChangeType$ Card.Plains | ChangeNum$ 1 | ShuffleNonMandatory$ True
 AI:RemoveDeck:Random
 Oracle:Flash\nMold Earth — Whenever one or more lands enter the battlefield under an opponent's control without being played, you may search your library for a Plains card, put it onto the battlefield tapped, then shuffle. Do this only once each turn.