Unwinding Clock (Retro) [The Brothers' War Retro Artifacts] Transformers Tokens and you may spend mana

and you may spend mana as though it were mana of any color to cast spells this way

target opponent loses that much life

• You sacrifice X permanents

where X is less than or equal to the amount of life you gained

Set: Secret Lair Drop Series Type: Sorcery Rarity: Rare Cost: {X}{B}{B} Repeat the following process X times

Unwinding Clock (Retro) [The Brothers' War Retro Artifacts] Transformers Tokens and you may spend manaSet: The Brothers' War Retro Artifacts Type: Artifact Rarity: Rare Cost: {4} Untap all artifacts you control during each other player's untap step. The partisans have unearthed a strange artifact. None know its origin, but it gives them hope of a life beyond. Elspeth's journal