Vampire's Domain

Continuous Spell

Once per turn: You can pay 500 LP; during your Main Phase this turn, you can Normal Summon 1 "Vampire" monster in addition to your Normal Summon/Set. (Even if this card leaves the field. You can only gain this effect once per turn.) Each time your "Vampire" monster inflicts battle damage to your opponent: Gain the same amount of LP.

Rulings – Yugipedia

Printings:

Dark Saviors: DASA-EN009 (Secret Rare) - 2018-05-24
2019 Gold Sarcophagus Tin Mega Pack: MP19-EN241 (Common) - 2019-08-29
OTS Tournament Pack 15: OP15-EN024 (Common) - 2021-02-17
OTS Tournament Pack 15 (POR): OP15-PT024 (Common) - 2021-02-18

Prices:

Cardmarket: 0.18 €
TCGplayer: $ 0.50