Oddly Specific Floodgates
If you control a Tribute, Ritual, and/or Fusion Summoned monster: Neither player can Synchro or Xyz Summon, also the effects of all face-up Xyz Monsters and Synchro Monsters currently on the field are negated and they cannot attack. These changes last until the end of your opponent's next turn.
Grisaille Prison
This Monster is one of Chazz's (GX) Boss Monsters. Thank goodness they don't print this mechanic anymore.
Armed Dragon lvl 7
While Bagooska is known mainly for it's Def Position effect. It's Attack effect position does this......
Untargetable in ATK Position
Skull Meister
1
Zep, Guoglim, Snopios
Ghoti
Your opponent must keep their hand revealed. Once per turn, during your opponent's Standby Phase, if they have a Spell(s) in their hand: They gain 1000 LP if they have a Spell(s) in their hand at resolution.
Eye of Truth
This Monster saw Niche Experimentation in a Unique Flip Deck. Who cares if I send my entire extra deck to the graveyard.
Zaborg the Mega Monarch
F.A. Dawn Dragster, Known commonly as a generic synchro spell/trap negate, has a second effect that does....
Piercing Battle Damage
Pot of Greed
20
King, Hero, Priestess
Ashened
Level 4 or higher monsters cannot attack.
Gravity Bind
This Monster has a similar effect to a Limited Trap Card! No Monster Effects!
Majesty's Fiend
Mereologic Aggregator, commonly the send off of Ext Ryzeal, actually has an effect outside of a negate. By detaching material, this card can.....
Attach from Grave
Vanquish Soul Hollie Sue
33
Drake, Veiss, Hydrojet
Shark
Neither player can Fusion Summon
Non-Fusion Area
This is the Best Normal Monster Searchable in a Monarch Deck
Terrorking Salmon
Divine Aresnal AA-ZEUS is considered to be one of the strongest Xyz Monsters ever printed. It can send every other card on the field to the grave, but it also has this effect when a card is destroyed by battle or an opponents card effect.
Attach From Extra Deck/Deck/Hand
Hot Red Dragon Archfiend King Calamity
21
Anima, Origin, Savior
Vendread
Neither player can Synchro Summon. This card is sent to the Graveyard during your 3rd End Phase after activation.
Discord
This Free Agent Saw play in Genesys Format for it's Non Once Per Turn Negate. 50% of the time, it works everytime!
VIP Whale
Number 38: Hope Harbinger Dragon Titanic Galaxy is a generic Rank 8 monster with a spell negate. It also has this effect which can only be triggered by your opponent.
Attack Redirect To Self
Expurrely Noir
51
Lara, Winda, Elder
Ritual Beasts