Changes

'''Special Summon-only monsters''', often referred to as '''Semi-Nomi''' monsters, are monsters with the card text "''Cannot be [[Normal Special SummonMonster]]ed/s that normally can only be [[SetSpecial Summon]]. Must first be ed from a non-[[Special Summonpublic knowledge]]ed...''" (or an older variant).<ref>{{citeweb|url=https://yugiohblog.konami.com/articles/?p=1099|title=Special Summons – Spotting location by the Different Kinds|last=Taketa|first=Gregory|publisher=Konamimethod specified in their card text.com}}</ref>

Special Summon-only monsters can be identified by the card text "''Cannot be [[Normal Summon]]ed/[[Set]]. Must first be [[Special Summon]]ed...''" (or an older variant).<ref>{{cite web|last1=Taketa|first1=Gregory|title=Special Summons – Spotting the Different Kinds|url=https://yugiohblog.konami.com/articles/?p=1099|publisher=Yu-Gi-Oh! TRADING CARD GAME STRATEGY SITE|accessdate=25 April 2018|date=7 December 2009}}</ref> [[Ritual Monster|Ritual]], [[Fusion Monster|Fusion]], [[Synchro Monster|Synchro]], [[Xyz Monster|Xyz]], and [[Link Monster]]s that are Special Summon-only monsters do not include the text "''Cannot be Normal Summoned/Set.''" because it is unnecessary; if they can be Ritual/Fusion/Synchro/Xyz /Link Summoned, they replace "''Special Summoned''" with "''Ritual/Fusion/Synchro/Xyz /Link Summoned''".

A Special Summon-only monster cannot be Special Summoned from a non-[[public knowledge]] location (the [[hand]], [[Main Deck]], or [[Extra Deckface-down]], or [[Spell & Trap ZoneExtra Deck]]), except by the specified method, unless the card effect [[Ignoring the Summoning conditions|ignores the Summoning conditions]].

A Special Summon-only monster can be Special Summoned from a public knowledge location (the [[Graveyard]] or , while [[banish]]ed as long as it was Special Summoned properly first. If the Summon of a Special Summon, [[face-only monster is up]] Extra Deck, [[negateSpell & Trap Zone]]d (such as by ", or [[Black Horn of HeavenPendulum Zone]]") by methods other than the specified one, as long as it is not considered to have been properly Special Summoned. If a Special Summon-only monster is in the Graveyard or banished and was not Special Summoned properly, it cannot be Special Summoned by any means other than the proper method, even by ignoring the Summoning conditionsfirst. This contrasts to "[[Nomi]]" monsters, which can only be Summoned by their own effectthe specified method, even after they have been properly Special Summoned.

If the Summon of a Special Summon Monster is [[negate]]d (such as by "[[Black Horn of Heaven]]"), it is not considered to have been properly Special Summoned, even if the negated Summon was a [[Flip Summon]] after being properly Special Summoned. If a Special Summon Monster is in a public knowledge location and was not Special Summoned properly, it cannot be Special Summoned by any means other than the proper method, even by ignoring the Summoning conditions.<ref name="PRB">{{cite book |author=Konami |title=Yu-Gi-Oh! Official Card Game - Perfect Rulebook 2015 |url=https://ygorganization.com/perfect-rulebook-2017/ |page=84}}</ref> After being a Special Summon Monster is properly Special Summoned, as long as that Monster Card remains in a public knowledge location (on the [[field (]] even if [[face-down]]), in the Graveyard, [[banish]]ed, or banishedface-up in the [[Extra Deck]]), it is considered properly Special Summoned.