diff --git a/poetry.lock b/poetry.lock
index bc52a50..ef8ae96 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1078,3 +1078,4 @@ testing = ["big-O", "flake8 (<5)", "jaraco.functools", "jaraco.itertools", "more
 lock-version = "2.0"
 python-versions = "^3.8"
 content-hash = "0ed8c23d1db43691989d749ec6d9cc20e2532f94bc3f88f0a74edbf549f3d648"
+
diff --git a/pyproject.toml b/pyproject.toml
index f666cb4..334a761 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -34,6 +34,9 @@ sphinx-rtd-theme = "^1.2.0"
 black = "^23.7.0"
 coverage = "^7.1.0"
 
+[tool.poetry.group.dev.dependencies]
+pytest = "^7.4.0"
+
 [tool.pylint.master]
 disable = ["import-error", "missing-module-docstring", "unknown-option-value"]
 
diff --git a/texasholdem/game/game.py b/texasholdem/game/game.py
index f3b53be..39b865e 100644
--- a/texasholdem/game/game.py
+++ b/texasholdem/game/game.py
@@ -1284,10 +1284,11 @@ def _import_history(history: History) -> Iterator[TexasHoldEm]:
             game.take_action(action, total=total)
         yield game
 
-    def copy(self, shuffle: bool = True):
+    def copy(self, shuffle: bool = True, cards_players_to_keep: List = None):
         """
         Arguments:
             shuffle (bool): Shuffle the deck, defaults to true.
+            cards_players_to_keep (List): List of player ids to keep cards for.
         Returns:
             TexasHoldEm: A copy of the game.
 
@@ -1349,7 +1350,8 @@ def copy(self, shuffle: bool = True):
         game.start_hand()
 
         for i, cards in self.hands.items():
-            game.hands[i] = cards.copy()
+            if cards_players_to_keep and i in cards_players_to_keep:
+                game.hands[i] = cards.copy()
 
         # swap decks
         game._deck = deck