Hidetsugu's Poison Rite [Unknown Event] Commander Masters X: Destroy each nonland permanent

X: Destroy each nonland permanent with mana value X whose controller was dealt combat damage by Steel Hellkite this turn

Set: Sword & Shield: Rebel Clash Type: Psychic Rarity: Ultra Rare Retreat cost: Colorless

Set: Base Set 1st Edition Type: Colorless Rarity: Common Retreat cost: Colorless

create a 1/1 white Cat creature token

Set: Sun & Moon: Crimson Invasion Type: Lightning Rarity: Secret Rare Retreat cost: Colorless

Hidetsugu's Poison Rite [Unknown Event] Commander Masters X: Destroy each nonland permanentSet: Unknown Event Type: Sorcery Rarity: Common Cost: {3}{B} Target player with exactly seven poison counters loses the game.