Vampire Sorcerer

The monster effect "①: If this card is sent to the GY by an opponent: You can add 1 DARK 'Vampire' monster or 1 'Vampire' Spell/Trap from your Deck to your hand" is a Trigger Effect that activates in the GY. (This effect does not target. It can also be activated during the Damage Step.)

The monster effect "(2): You can banish this card from your GY; once per turn, you can Normal Summon 1 Level 5 or higher DARK "Vampire" monster without Tributing" is an Ignition Effect that activates in the GY. (It does not target. When activating this effect, you banish this card, "Vampire Sorcerer", from your GY as the cost.)

The monster effect "once per turn, you can Normal Summon 1 Level 5 or higher DARK "Vampire" monster without Tributing" is not an effect that is activated at the time of the Normal Summon. After the effect is activated, you apply it when you perform a Normal Summon of a Level 5 or higher DARK "Vampire" monster, allowing you to Normal Summon it without Tributing. (No Chain Link is created when performing a Normal Summon without Tributing.)

The number of times you can Normal Summon is not increased by the monster effect "once per turn, you can Normal Summon 1 Level 5 or higher DARK "Vampire" monster without Tributing."