which episode was Transmitted on wednesday if the episode of "438 magic: the gathering mini masters tournament" was transmitted on thursday? 
CREATE TABLE table_18173916_8 (wednesday VARCHAR, thursday VARCHAR)
SELECT wednesday FROM table_18173916_8 WHERE thursday = "438 Magic: The Gathering Mini Masters Tournament"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_18173916_8 (wednesday VARCHAR, thursday VARCHAR) Question: which episode was Transmitted on wednesday if the episode of "438 magic: the gathering mini masters tournament" was transmitted on thursday?  [/INST] SELECT wednesday FROM table_18173916_8 WHERE thursday = "438 Magic: The Gathering Mini Masters Tournament" </s>