Mosaic Manticor's effect is a Trigger Effect that activates during the Standby Phase of your next turn.
Mosaic Manticore's effect does not target.
The effects of the monsters Special Summoned by Mosaic Manticore are only negated if they activate on the field or are applied while the monster is on the field. If a monster Special Summoned by Mosaic Manticore has an effect that activates while it is in the GY or when it is sent to the GY, the effect will not be negated.
If Mosaic Manticore is removed from the field before your next Standby Phase after Tribute Summoning it, the monsters you Tributed are not Special Summoned.
If you Tribute 2 monsters to Tribute Summon Mosaic Manticore and 1 of the monsters is removed from the GY, during your next Standby Phase you will Special Summon the monster that is still in your GY.
If you only have 1 open Monster Card Zone during your next Standby Phase after Tribute Summoning Mosaic Manticore, when Mosaic Manticore's effect resolves, choose 1 of the 2 Tributed monsters and Special Summon it.
If 1 of the 2 monsters Tributed to Tribute Summon Mosaic Manticore cannot be Special Summoned from the GY, when Mosaic Manticore's effect resolves in your next Standby Phase, Special Summon the monster that can be Special Summoned.
If you Tribute monsters to Set Mosaic Manticore, Mosaic Manticore's effect can be activated if it is flipped face-up before your next Standby Phase.
If your Mosaic Manticore is flipped face-down after being Tributed Summoned and is flipped face-up before your next Standby Phase, its effect can be activated during your next Standby Phase.
If your opponent takes control of your Mosaic Manticore after you Tribute Summon it and retains control of it during your next Standby Phase, Mosaic Manticore's effect does not activate. If control of Mosaic Manticore is returned to your before your next Standby Phase after you Tribute Summoned Mosaic Manticore, its effect activates during your next Standby Phase.
If you Tribute your opponent's monster, it will be Special Summoned onto your side of the field when Mosaic Manticore's effect resolves.
If a monster Tributed to Tribute Summon Mosaic Manticore is removed from the GY and is later returned to your GY, the monster is not Special Summoned by Mosaic Manticore's effect.
Even if Mosaic Manticore is removed from the field, the monsters Special Summoned by its effect still cannot attack and their effects are still negated.
If a monster Special Summoned by the effect of Mosaic Manticore is flipped face-down, after it is flipped face-up it can attack and its effects are not negated.
If Skill Drain is activated after the monsters Tributed to Tribute Summon Mosaic Manticore are Special Summoned by its effect, the monsters still cannot attack and their effects are negated.
If you Special Summon Exiled Force with Mosaic Manticore's effect, you can activate the effect of Exiled Force, but its effect is negated.