Hidetsugu's Poison Rite [Unknown Event] Dark Knight Set: Sword & Shield: Astral

Set: Sword & Shield: Astral Radiance Type: Water Rarity: Ultra Rare Retreat cost: Colorless

Set Name: Awakening of the New Era: 1st Anniversary Tournament Cards Card Number: OP05-021 Release Date: 2023-12-08 Rarity: Uncommon Card Type: Stage Cost: 1 [Activate:Main] You may trash 1 card from your hand and rest this Stage: Look at 3 cards from the top of your deck

Set: World Championships 2005 Type: Fighting/Darkness Rarity: Rare Retreat cost: Colorless

but once you do

Hidetsugu's Poison Rite [Unknown Event] Dark Knight Set: Sword & Shield: AstralSet: Unknown Event Type: Sorcery Rarity: Common Cost: {3}{B} Target player with exactly seven poison counters loses the game.