Inscriptions Joueurs 🔮 Avis aux sorcières et sorciers ! 🔮 Samedi 11 avril<noscript><iframe id="haWidget" allowtransparency="true" src="https://www.helloasso.com/associations/l-usine-a-reves/evenements/ecole-de-magie-griffsor-samedi-11-avril-2026/widget-bouton" style="width: 100%; height: 70px; border: none;" onload="window.addEventListener( 'message', function(e) { const dataHeight = e.data.height; const haWidgetElement = document.getElementById('haWidget'); haWidgetElement.height = dataHeight + 'px'; } )" ></noscript>Dimanche 12 avril<noscript><iframe id="haWidget" allowtransparency="true" src="https://www.helloasso.com/associations/l-usine-a-reves/evenements/ecole-de-magie-griffsor-dimanche-12-avril-2026/widget-bouton" style="width: 100%; height: 70px; border: none;" onload="window.addEventListener( 'message', function(e) { const dataHeight = e.data.height; const haWidgetElement = document.getElementById('haWidget'); haWidgetElement.height = dataHeight + 'px'; } )" ></noscript>