Gleeful Mode, Tavia

:When placed, if "Bermuda Triangle Cadet, Riviere" is in your soul, look at five cards from the top of your deck, put up to one card from among them on the top of your deck, and put the rest on the bottom of your deck in any order. (You can activate in any order with "when rode upon" abilities) :When your vanguard with "Riviere" in its card name is placed during the battle phase, 1, and 1.