Forum:Effects such as Medusa Worm/Swarm of Scarabs

I was playing with friends, and they would flip summon Medusa Worm, battle, then flip them back down during their second Main Phase. I find that ruling to be quite questionable considering that you can't change a monster's position twice in one turn. Is it legal?

• The flipping face down in MP2 is part of Medusa Worm/Swarm of Scarab's effect. Danny Lilithborne 04:23, 9 June 2008 (UTC)

It says it right on the cards. Zeek Aran 14:48, 9 June 2008 (UTC)

{the rule book states that playing a card face down is called a set. setting a card is defined but putting a card from you hand to the field. the order of operations is correct to flip it during your main phase 1 (destroy monster effect activates), and set it back down to you main phase 2.

how ever, if it(Medusa worm/ scarabs,etc) is face up on you main phase 1, you can use its effect(to put it face down), but can't change the battle position of it(aka flip summon it after you used it effect already to put it face down, to use it other effect to destroy a monster), due to the rulebooks terminology of playing a card face down means setting... this is because of older rule of when a monster leaves play, you reactivate it effect when it come back to the field, and placing a card face down with its own effect leaves play, hence a way to continue flipping it and destroying monsters.

There are allot of heated arguments on this concept, due to the changing of terminology between the rule books. for instances, if you define playing a card face down from the field or your hand a set (which it is) then you must abide by the chapter two rule of the rule book on summoning a monster. if the terminology for playing a card on the field face down is no longer considered a set, then you can continual use (Medusa worm/ scarabs,etc) continuously.

}-by:([Certified Judge for rules 4.0 and up])—This unsigned comment was made by 50.80.161.212 (talk • contribs) 13:29, 2011 October 5

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If it is during the start of your Main Phase, and you activate the effect of a face-up Medusa Worm to flip it face-down, there's no reason for why you can't flip it face-up manually on the same turn. -Falzar FZ- (talk page|useful stuff) 13:35, October 5, 2011 (UTC)

You can't manually change a monster's position twice in one turn. But you can change it with card effect as many as you wish.--Lê (talk • contribs) 13:53, October 5, 2011 (UTC)

If you had (Flip) Summoned Medusa Worm face-up, then used its effect to flip it face-down, you cannot manually flip it face-up again; for that reason.

If it is during the start of your Main Phase, and you activate the effect of a face-up Medusa Worm to flip it face-down, you can manually flip it face-up. -Falzar FZ- (talk page|useful stuff) 14:03, October 5, 2011 (UTC)

To simplify the confusion. You are only changing the battle position of the monster once. You Flip Summon It. That is it. the monster is being flipped face down by card effect. The same rule applies if you flip summon (insert flip summon monster here, ex. man-eater, penguin soldier, magician of faith) and then flip it facedown with Book of Moon. You changed the battle position once, Card effect changed it again. You would not be able to changed its battle position again until the next turn. See rules of activating flip effects via each card. (Swarm of Scarabs and Man-Eater have different flip rulings.) —This unsigned comment was made by 66.27.169.0 (talk • contribs) 23:23, August 17, 2012‎

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Yes, 1 Flip Summon per Monster you control, and they are not same as Normal Summon. That what confused many users because they sound like they both used only once per turn. --iFredCat 11:28, August 19, 2012 (UTC)