Can you use search effects and not select a card?
If a card with a search effect is played, you have the option of:
-Searching your deck and taking an eligible card and revealing it, then shuffle your deck.
-Searching your deck, and NOT taking any card (even if there is eligible cards) then shuffle your deck.
-Not using the ability at all. Not shuffling your deck.
These are available for all of the following cards that allow you to search: