diff --git a/forge-gui/res/cardsfolder/s/shield_mare.txt b/forge-gui/res/cardsfolder/s/shield_mare.txt
index 678a12035d9..72b0ea46e53 100644
--- a/forge-gui/res/cardsfolder/s/shield_mare.txt
+++ b/forge-gui/res/cardsfolder/s/shield_mare.txt
@@ -3,7 +3,7 @@ ManaCost:1 W W
 Types:Creature Horse
 K:CantBeBlockedBy Creature.Red
 T:Mode$ ChangesZone | ValidCard$ Card.Self | Origin$ Any | Destination$ Battlefield | Execute$ DBGainLife | TriggerDescription$ When CARDNAME enters the battlefield or becomes the target of a spell or ability an opponent controls, you gain 3 life.
-T:Mode$ BecomesTarget | ValidTarget$ Card.Self | SourceType$ Spell.OppCtrl,Activated.OppCtrl,Triggered.OppCtrl | TriggerZones$ Battlefield | Execute$ DBGainLife | TriggerDescription$ When CARDNAME enters the battlefield or becomes the target of a spell or ability an opponent controls, you gain 3 life.
+T:Mode$ BecomesTarget | ValidTarget$ Card.Self | ValidSource$ Card.OppCtrl | TriggerZones$ Battlefield | Execute$ DBGainLife | TriggerDescription$ When CARDNAME enters the battlefield or becomes the target of a spell or ability an opponent controls, you gain 3 life.
 SVar:DBGainLife:DB$ GainLife | Defined$ You | LifeAmount$ 3
 Oracle:Shield Mare can't be blocked by red creatures.\nWhen Shield Mare enters the battlefield or becomes the target of a spell or ability an opponent controls, you gain 3 life.
 PT:2/3