CREATE TABLE table_18173916_8 (wednesday VARCHAR, thursday VARCHAR)

which episode was Transmitted on wednesday if the episode of '438 magic: the gathering mini masters tournament' was transmitted on thursday?
SELECT wednesday FROM table_18173916_8 WHERE thursday = "438 Magic: The Gathering Mini Masters Tournament"
SELECT "wednesday" FROM "table_18173916_8" WHERE "438 Magic: The Gathering Mini Masters Tournament" = "thursday"