Summon negation window The Summon negation window is an unofficial term for the activation timing of cards that negate the Summon of a monster , such as " Solemn Warning " , " Solemn Judgment " , " Black Horn of Heaven " , " Evolzar Laggia " , " Thunder King Rai - Oh " , " Royal Oppression " , etc . This timing is before the Summon response window . If the monster ' s Summon was negated in the Summon negation window , there will be no Summon response window afterwards . Only cards that can start the Chain during this window , so " Mystical Space Typhoon " cannot be activate d as Chain Link 1 of the Summon negation window , but it can be activated as Chain Link 2 if a card like " Royal Oppression " was activated first . Cards like " Bottomless Trap Hole " , " Trap Hole " , etc . that respond to the Summon of a monster cannot be activated during this window ; they can only be activated in the Summon response window . The Summon negation window will only open if a monster would be Normal Flip , Synchro , Xyz , Pendulum , or Link Summon ed , or Special Summon ed with a Summon monster effect or Special Summoning condition , and only when they occur outside of a Chain . For example , the Normal Summon of a monster with " Ultimate Offering " cannot be negated if it was Chained to " Pot of Greed " ( as the monster is Summoned in the middle of a Chain ) , but it can be negated if " Ultimate Offering " is activated as Chain Link 1 ( as the monster is Summoned immediately after the effect of " Ultimate Offering " resolves ) . If a monster is Special Summoned with a card effect , the monster is Summoned during the resolution of the effect , not an as action outside of a Chain , so this window never opens . During the Summon negation window , a monster is not considered to be on the field as it has not yet been Summoned ( even if it is being Flip Summon ed or is a Gemini monster being Normal Summon ed again ) , so any Continuous Effect s it has are not yet active and it is unaffected by any effects that only apply to it while it is on the field ( however , any Equip Card s equip ped to it are not destroy ed and any effects applied to it are not be lost , unless the Summon is negated ) . If the monster is moved to a different location during this window , it is not considered to have been moved from the field ; for example , if a monster ' s Summon is negated by " Forced Back " while " Degenerate Circuit " is active , that monster is return ed to its owner ' s hand and not banish ed , because it was not on the field when it was returned . If a Summon is negated , the monster was not successfully Summoned , so Special Summon - only monsters cannot be Special Summoned by effects other than their specified method . However , the Summon still counts as the one Normal Summon / Set per turn even if negated . In the Summon negation window , due to Fast Effect Timing , the turn player can activate cards that negate the Summon of a monster before the opponent can , such as " Solemn Warning " , to negate the Summon of his own monster , though this is almost never seen . If a monster would be Summoned in an Extra Monster Zone , that monster ' s possess or does not control that zone until the Summon is successful . Example . Player A attempts to Summon " Black Luster Soldier - Envoy of the Beginning " from the hand , banish ing 1 DARK and 1 LIGHT monster from his / her Graveyard . The Summon negation window is open now , and player A can activate cards that negate the Summon of a monster , such as " Solemn Warning " , " Solemn Judgment " , " Black Horn of Heaven " , etc . If player A passes doing so , then player B has the opportunity to do the same . If player B successfully activates one of such cards , the Summon of " Black Luster Soldier - Envoy of the Beginning " will be negated , and it will not be considered to have been Summoned ( so it cannot later be Special Summoned by a card like " Monster Reborn " ) . The monsters banished to Summon " Black Luster Soldier - Envoy of the Beginning " stay banished , even though the Summon was negated . If player B passes without playing any such cards , " Black Luster Soldier - Envoy of the Beginning " will be successfully Summoned . Now the Summon negation window is closed and the Summon response window is opened . There is only one Chain in the Summon negation window . After that , no card that negates the Summon of a monster ( such as " Solemn Warning " ) can be activated .