diff --git a/command_logic/logic_gameplay.py b/command_logic/logic_gameplay.py
index 660de07..bf158cf 100644
--- a/command_logic/logic_gameplay.py
+++ b/command_logic/logic_gameplay.py
@@ -1,5 +1,6 @@
 import asyncio
 import copy
+import datetime
 import logging
 import discord
 from discord import SelectOption
@@ -4243,6 +4244,34 @@ async def get_game_summary_embed(
     return game_embed
 
 
+async def _trigger_variant_renders(tier_ups: list) -> None:
+    """Fire-and-forget: hit card render URLs to trigger S3 upload for new variants.
+
+    Each tier-up with a variant_created value gets a GET request to the card
+    render endpoint, which triggers Playwright render + S3 upload as a side effect.
+    Failures are logged but never raised.
+    """
+    today = datetime.date.today().isoformat()
+    for tier_up in tier_ups:
+        variant = tier_up.get("variant_created")
+        if not variant:
+            continue
+        player_id = tier_up["player_id"]
+        track = tier_up.get("track_name", "Batter")
+        card_type = "pitching" if track.lower() == "pitcher" else "batting"
+        try:
+            await db_get(
+                f"players/{player_id}/{card_type}card/{today}/{variant}",
+                none_okay=True,
+            )
+        except Exception:
+            logger.warning(
+                "Failed to trigger variant render for player %d variant %d (non-fatal)",
+                player_id,
+                variant,
+            )
+
+
 async def complete_game(
     session: Session,
     interaction: discord.Interaction,
@@ -4353,6 +4382,7 @@ async def complete_game(
         if evo_result and evo_result.get("tier_ups"):
             for tier_up in evo_result["tier_ups"]:
                 await notify_tier_completion(interaction.channel, tier_up)
+            await _trigger_variant_renders(evo_result["tier_ups"])
     except Exception as e:
         logger.warning(f"Post-game refractor processing failed (non-fatal): {e}")
 
diff --git a/tests/test_post_game_render.py b/tests/test_post_game_render.py
new file mode 100644
index 0000000..2470dfe
--- /dev/null
+++ b/tests/test_post_game_render.py
@@ -0,0 +1,65 @@
+"""Tests for post-game refractor card render trigger."""
+
+from unittest.mock import AsyncMock, patch
+
+import pytest
+
+from command_logic.logic_gameplay import _trigger_variant_renders
+
+
+class TestTriggerVariantRenders:
+    """Fire-and-forget card render calls after tier-ups."""
+
+    @pytest.mark.asyncio
+    async def test_calls_render_url_for_each_tier_up(self):
+        """Each tier-up with variant_created triggers a card render GET request."""
+        tier_ups = [
+            {"player_id": 100, "variant_created": 7, "track_name": "Batter"},
+            {"player_id": 200, "variant_created": 3, "track_name": "Pitcher"},
+        ]
+
+        with patch(
+            "command_logic.logic_gameplay.db_get", new_callable=AsyncMock
+        ) as mock_get:
+            mock_get.return_value = None
+            await _trigger_variant_renders(tier_ups)
+
+            assert mock_get.call_count == 2
+            call_args_list = [call.args[0] for call in mock_get.call_args_list]
+            assert any("100" in url and "7" in url for url in call_args_list)
+            assert any("200" in url and "3" in url for url in call_args_list)
+
+    @pytest.mark.asyncio
+    async def test_skips_tier_ups_without_variant(self):
+        """Tier-ups without variant_created are skipped."""
+        tier_ups = [
+            {"player_id": 100, "track_name": "Batter"},
+        ]
+
+        with patch(
+            "command_logic.logic_gameplay.db_get", new_callable=AsyncMock
+        ) as mock_get:
+            await _trigger_variant_renders(tier_ups)
+            mock_get.assert_not_called()
+
+    @pytest.mark.asyncio
+    async def test_api_failure_does_not_raise(self):
+        """Render trigger failures are swallowed — fire-and-forget."""
+        tier_ups = [
+            {"player_id": 100, "variant_created": 7, "track_name": "Batter"},
+        ]
+
+        with patch(
+            "command_logic.logic_gameplay.db_get", new_callable=AsyncMock
+        ) as mock_get:
+            mock_get.side_effect = Exception("API down")
+            await _trigger_variant_renders(tier_ups)
+
+    @pytest.mark.asyncio
+    async def test_empty_tier_ups_is_noop(self):
+        """Empty tier_ups list does nothing."""
+        with patch(
+            "command_logic.logic_gameplay.db_get", new_callable=AsyncMock
+        ) as mock_get:
+            await _trigger_variant_renders([])
+            mock_get.assert_not_called()