Perfect Loki (Signed) (WGP2023 3rd) [Promo Cards]

[Quickcast] As a J-ruler named "Loki, the Witch of Chaos" enters the field under your control and you spent B to play its judgment process, you may reveal this card from your hand and put it into the field on top of your J-ruler. If you do, this card becomes a J-ruler and gains [Imperishable], [Divinity] 8, " [Enter] Look a the top ten cards of your deck. Put one from among them into your hand and the rest into your graveyard.", and "Once per turn, you may play a card from your graveyard.". This card gains [0/+100] for each card in your graveyard. [Enter] J/resonators your opponent controls gain [0/-X00] until end of turn, where X is the number of cards in your graveyard.