diff --git a/forge-gui/res/cardsfolder/a/arcane_heist.txt b/forge-gui/res/cardsfolder/a/arcane_heist.txt
index 9983339ffb4..84570efcbcb 100644
--- a/forge-gui/res/cardsfolder/a/arcane_heist.txt
+++ b/forge-gui/res/cardsfolder/a/arcane_heist.txt
@@ -2,5 +2,6 @@ Name:Arcane Heist
 ManaCost:2 U U
 Types:Sorcery
 K:Cipher
-A:SP$ Play | TgtZone$ Graveyard | WithoutManaCost$ True | ValidTgts$ Instant.OppOwn,Sorcery.OppOwn | ValidSA$ Spell | TgtPrompt$ Choose target instant or sorcery card from an opponent's graveyard | Optional$ True | ReplaceGraveyard$ Exile | AILogic$ ReplaySpell
+A:SP$ Play | TgtZone$ Graveyard | WithoutManaCost$ True | ValidTgts$ Instant.OppOwn,Sorcery.OppOwn | ValidSA$ Spell | TgtPrompt$ Choose target instant or sorcery card from an opponent's graveyard | Optional$ True | ReplaceGraveyard$ Exile | AILogic$ ReplaySpell | SubAbility$ Cipher | SpellDescription$ You may cast target instant or sorcery card from an opponent's graveyard without paying its mana cost. If that spell would be put into their graveyard, exile it instead.
+SVar:Cipher:DB$ Encode | Defined$ Self
 Oracle:You may cast target instant or sorcery card from an opponent's graveyard without paying its mana cost. If that spell would be put into their graveyard, exile it instead.\nCipher (Then you may exile this spell card encoded on a creature you control. Whenever that creature deals combat damage to a player, its controller may cast a copy of the encoded card without paying its mana cost.)