Masterking Archfiend

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 with ATK or DEF equal to the amount 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, then apply this effect on 1 of those monsters based on the result.
●1: Add it to your hand.
●2, 3, 4, 5: Shuffle into the Deck.
●6: Special Summon it.