Goddess of Good Luck, Fortuna

:[ 1 & ] one or more cards], look at the same number of cards from the top of your deck as the number of cards for this cost, and put them on the top of your deck in any order. :When this unit attacks, choose any number of your rear-guards, and 1 for each unit chosen. :When a trigger unit is revealed for your damage check, get an Imaginary Gift:Force.