Masterking Archfiend (Rare)

2 Fiend monsters
Once per turn, during your Standby Phase, pay 500 LP or destroy this card. Once per Chain, if you pay LP (except during the Damage Step): You can send 1 Fiend monster from your Deck to the GY whose ATK or DEF is equal to the LP you paid. Once per Chain, if a Fiend monster(s) is sent to your GY (except during the Damage Step): You can roll a six-sided die and apply the result to 1 of those monsters.
● 1: Add it to your hand.
● 2-5: Shuffle it into the Deck.
● 6: Special Summon it.