Well-prepared, Kazuha Toyama (S-UB-C01/0029EN) (S-UB-C01)

[Call Cost] [Pay 1 gauge & Put the top card of your deck into its soul]
When this card enters the field, you may drop a hand card. If you do, put up to one [Heiji Hattori] from your deck into your hand, and shuffle your deck.
[Act] Look at the top three cards of your opponent's deck, and put them back on the top of the deck in any order. You may only use this ability once per turn.
[Soulguard]