Battle position change

A Monster Card’s Battle position can be changed in one of two ways: A "manual" change can only be performed during your Main Phases. There are three exceptions that will prevent you from changing a monster's Battle position:
 * 1. A "manual" change. This is when you use your once-per-turn Battle position change on a monster, during your Main Phase 1 or 2, to change it from Attack Position to Defense Position or vice versa. A manual change also includes Flip Summons. There are some restrictions on when you can do this (see below).
 * 2. A change via a card effect. This includes such cards as "Kunai with Chain", "Security Orb", "No Entry!!" and "Enemy Controller".


 * Exception #1: You cannot change the Battle position of a monster if it declared an attack that turn (even if the attack was negated or a replay occurred, even if using "Zero Gravity").


 * Exception #2: You cannot change the Battle position of a monster if it was Summoned or Set that turn by the turn player.


 * Exception #3: You cannot change the Battle position of a monster if its Battle position was already changed "manually" that turn.

Please note that:

Battle Positions: Normal summon-->(attack), Set-->(face down), Flip-->(Face down defense to face up attack), Sp. Summons can be face up/face down attack or Defense, Depending on the cards effect. You can not flip, a face down Defense position monster into face up Defense as a Position change it has to go into face up, attack position. Swords of Revealing Light flips all face down monsters into face up defense position Flip Monster Effect will still Activate i/e Morphing Jar Ryko, Lightsworn Hunter


 * You CAN always change the Battle position of a monster with a card effect, even if any of the above exceptions prevent you from changing its Battle position "manually".
 * You CAN change the Battle position of a monster "manually" if its Battle position was changed by a card effect previously that turn (as long as none of the three exceptions apply).
 * Example: You activate "Book of Moon" and flip a monster into face-down Defense Position. Then you can Flip Summon it that same turn, as long as none of the 3 exceptions exist currently apply.


 * You CAN change the Battle position of a monster "manually" if it was Summoned or Set, but not by the turn player.
 * Example: "Cyber Jar" Summons a monster on the opponent’s side of the field, and the turn player uses "Change of Heart" to take control of it, then Flip Summons it that same turn. This is a legal play (as long as none of the three exceptions apply).


 * You CAN change the Battle position of a monster "manually" if it was returned to the field because of "Dimensionhole", because it does not Summon the monster (as long as none of the 3 exceptions apply).