Variant List
GET /variants?format=api&group_by_combo=true&offset=42400
{ "count": 27470, "next": null, "previous": "https://backend.commanderspellbook.com/variants?format=api&group_by_combo=true&limit=100&offset=42300", "results": [] }
GET /variants?format=api&group_by_combo=true&offset=42400
{ "count": 27470, "next": null, "previous": "https://backend.commanderspellbook.com/variants?format=api&group_by_combo=true&limit=100&offset=42300", "results": [] }