Item Anime Revival Jam vs. Slifer Infinite Loop

Yu-Gi-Oh! Duel Monsters
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PostPosted: Wed Mar 02, 2016 4:25 pm
Assuming there is no card to put a finite end to the loop (Such as "Card of Safe Return") -

1) If your opponent controls "Slifer the Sky Dragon", you may not Normal Summon the Anime "Revival Jam" as it would result in an infinite loop being triggered. (If your opponent controls the TCG "Slifer the Sky Dragon" you can Special Summon "Revival Jam" in face up defense position, because TCG "Slifer" cannot destroy a Defense monster. With Anime "Slifer", "Revival Jam" cannot be summoned face up at all. You may set "Revival Jam", and see ruling 2 for its interactions after being set.)

2) If you control "Revival Jam" and your opponent controls "Slifer the Sky Dragon" and "Revival Jam" is destroyed in such a way to cause an infinite loop (ATK position "Jam" with TCG "Slifer", or any position "Jam" with Anime "Slifer"), "Revival Jam"'s mandatory effect to Special Summon it to the field is negated by game mechanics, as the activation of the effect would cause an infinite loop to begin.
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PostPosted: Wed Mar 02, 2016 5:43 pm
JemGryphonkin wrote:Assuming there is no card to put a finite end to the loop (Such as "Card of Safe Return") -

1) If your opponent controls "Slifer the Sky Dragon", you may not Normal Summon the Anime "Revival Jam" as it would result in an infinite loop being triggered. (If your opponent controls the TCG "Slifer the Sky Dragon" you can Special Summon "Revival Jam" in face up defense position, because TCG "Slifer" cannot destroy a Defense monster. With Anime "Slifer", "Revival Jam" cannot be summoned face up at all. You may set "Revival Jam", and see ruling 2 for its interactions after being set.)

2) If you control "Revival Jam" and your opponent controls "Slifer the Sky Dragon" and "Revival Jam" is destroyed in such a way to cause an infinite loop (ATK position "Jam" with TCG "Slifer", or any position "Jam" with Anime "Slifer"), "Revival Jam"'s mandatory effect to Special Summon it to the field is negated by game mechanics, as the activation of the effect would cause an infinite loop to begin.

Disagree on 1, agree on 2.

For 1, I have no issues with them summoning it, but if they do, game mechanics says hi and leaves Revival Jam in the grave.
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PostPosted: Thu Mar 03, 2016 3:45 pm
I used this as the basis of ruling 1 -

These occur when a series of mandatory actions repeat after each other in a cycle, and there is no net change after each cycle, such that the game state is identical at the beginning and end of any cycle.

These types of infinite loops are illegal in gameplay, meaning that a player may not voluntarily activate any card if its activation would cause such a loop. If such a loop is caused by something involuntary, such as a player conducting their normal draw or a mandatory effect, then the card ruled to be the source of the infinite loop is automatically destroyed by game mechanics.
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PostPosted: Fri Mar 04, 2016 1:25 am
Jem's right on both points, since I finally pointed them out.

It took this game way too long to figure this out. D:

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