Pyrohemia [Commander Anthology] Minks Set: Betrayers of Kamigawa Type:

Set: Betrayers of Kamigawa Type: Instant — Arcane Rarity: Rare Cost: {X}{B}{B} You may exile a black card with mana value X from your hand rather than pay this spell's mana cost

The same is true for first strike

Set: Prize Pack Series Three Type: Psychic Rarity: Promo Retreat cost: Colorless

including two complete forces – representing Good and Evil – as well as rules

Pyrohemia [Commander Anthology] Minks Set: Betrayers of Kamigawa Type:Set: Commander Anthology Type: Enchantment Rarity: Uncommon Cost: {2}{R}{R} At the beginning of the end step, if no creatures are on the battlefield, sacrifice Pyrohemia. {R}: Pyrohemia deals 1 damage to each creature and each player.