Floodgate Trap Hole | Decks and Ruling

This page notes details of Floodgate Trap Hole (Trap Card/Normal) : decks, tips, effect and rulings. Learn and enjoy playing Yu-Gi-Oh! Duel Links!
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update 14/03/2020

Floodgate Trap Hole

Floodgate Trap Hole
TypeTrap Card
Card Effect TypeActivation requirement / Card effect
ArchetypesTrap Hole


When your opponent Summons a monster(s): Change that monster(s) to face-down Defense Position. Monsters changed to face-down Defense Position by this effect cannot change their battle positions.

How to get / rarity

PackGeneration Next [UR]
Level-up reward--
Victory against--
Card trader--




  • It switches the Summoned Monster by your opponent to face-down defense position
  • The affected monster can't change its battle position.


  • None.


Monster Zone Lock

You can possibly lock your opponent's monster zone if he/she has no tribute monsters. Use Floodgate Trap Hole when your opponent Summons a Monster. Then disable the 2 remaining zones by using Ojama Knight's effect. You can then wait to get the cards that you needed or burn your opponent.


The text "monster(s)" on Floodgate Trap Hole means that it can affect multiple cards. See these screenshots below for example.

The opponent used The Flute of Summoning Dragon to Special Summon 2 Blue-Eyes White Dragon on the field. Then the Floodgate Trap Hole prompt pops up.

Floodgate Trap Hole is Activated.

Both of the Blue-Eyes White Dragon has been switched to face-down defense position.



ActionsChanges Battle Positions / Flips monsters face-down / Prevents Battle Position changes


Hot New Top
Something weird happens against desperado... I'm not entirely sure if it works.
<< Anonymous
Anonymous Reply
Please describe what's happening
So I found out the hard way that Subterrors can get around the effect of this card by using their Final Battle trap card and flipping their monster face-up again, even though that seems like a ruling issue since their changing the battle position of their monster.
Is that incorrect or am I crazy?
<< Anonymous
Anonymous Reply
It was always like that and not only with Subterrors
<< Anonymous
A Reply
"Monsters cannot change their battle positions" is a active form, so it means monsters cannot change their battle positions BY THEMSELVES.
If you use card effects to change their positions, it still works.
<< Anonymous(A)
Anonymous Reply
Also, if you attack into them, they would be flipped face-up, by game mechanic.

If the floodgated monster is flipped face-up due to being targeted for an attack, and it survives the attack, it then can change its battle position, as FTH's "no position change" part specifies that the monster has to be face-down.
Gil M.
This card does not work to flip desperado barrel dragon when he is special summoned during the battle phase
<< Anonymous(Gil M. )
Floodgate Reply
Every traps cant work when your first summoning turn-_-
never gets old, ever lasting trap
Enemy summoned Aromage Bergamot. I activated Floodgate Trap Hole. He/she activated Aroma Garden. Their monsters gained ATK, etc. So Aroma Garden resolved mormally. Then the newly summoned monster didnt changed into facedown def pos. No "canceled card effect animation or whatsoever. My trap hole simply ignored and sent to the graveyard. Is this how this should work? Or how can I contact Konami?
<< Anonymous
Anonymous Reply
I do have the replay, and yes it was summoned using rose lover.
<< Anonymous
Anonymous Reply
Try reading all of rose lovers effect
<< Anonymous
Anonymous Reply
Then that answers your question- Bergamot is unaffected by trap effects the turn it’s summoned by Rose Lover
<< Anonymous
Anonymous Reply
Oh crap... You're right. I'm using this card (Rose Lover) as well, since a year now or so, and I didn't notice it. Sorry for spamming.
*sees card* hmmmm
I was facing anki deck , they activate mask change , summon anki and I wasn’t able to activate floodgate , question didn’t pop up , then they activate another mask change and summon another anki then the question was popped up for me to use floodgate. So my question is why couldn’t I use floodgate on the first anki ???
<< Anonymous(Gjjc)
Anonymous Reply
Floodgate Trap Hole can only be activated if the last thing to happen was a Summon. Which wasn't the case here. (I'd guess they chained Mask Change to something.)
How is this possible?
<< Anonymous(Pavs)
Pavs Reply
It did changed its battle position... wtf
<< Anonymous(Pavs)
Anonymous Reply
Yeah, FTH's description is not clear. It actually only stops you from manually changing the position. Any other card effect can still change the monster's position. Heck, even just attacking the face-down monster, removes that restriction, which is why attacking a monster flipped face-down by FTH is a bad idea unless you can destroy it with that attack.
Lol. I use to buy packs ten by ten. Today I bought my first ten Generation Next packs and this little bastard poped up on 2nd pack xD
<< Anonymous(Anusnymous)
tickel Reply
hahaha sad
RIP reactor dragon
The point is those metas use it alot, don't tell me bs using it for anti meta.
Use this to lock an ancient gear reactor dragon and see 2 out of 3 players rage quit

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