once they enter play, they remain on the side they entered as
Below is a variety of white-based decks from throughout time, showing off many of the Top 50 cards
Isshin, Two Heavens as One's ability affects only triggered abilities with conditions that are directly related to attacking, such as "whenever [this creature] attacks" or "whenever you attack with one or more creatures." It does not affect triggered abilities with other trigger conditions, such as "whenever [this creature] becomes tapped." Isshin's effect doesn't copy the triggered ability
(2009-02-01) You can choose not to find a basic land card, even if there is one in your library
Cards you choose not to cast this way (or can't cast this way) remain in exile
ESIKA, GOD OF THE TREE If you want something a little more casual, there are two options