Perilous Vault (Retro Schematic) (Serial Numbered) [The Brothers' War Retro Artifacts] Human Soldier Rebel you may pay 0 rather

you may pay 0 rather than pay the mana cost for a spell you cast with converted mana cost X or less

Tibalt Type: Creature — Human Cleric Rarity: Uncommon Cost: {1}{W}{W} When Fiend Hunter enters the battlefield

I — Return up to one target creature or planeswalker to its owner’s hand

If all of the revealed cards are black

Set: Classic Sixth Edition Type: Creature — Human Minion Rarity: Rare Cost: {2}{B}{B} {B}{B}{B}

Perilous Vault (Retro Schematic) (Serial Numbered) [The Brothers' War Retro Artifacts] Human Soldier Rebel you may pay 0 ratherSet: The Brothers' War Retro Artifacts Type: Artifact Rarity: Mythic Cost: {4} {5}, {T}, Exile Perilous Vault: Exile all nonland permanents. "As the years passed, Urza turned his focus from the Thran to worlds beyond his own, seeking any spell or technology that might break the Phyrexian scourge." *Urza: From Prodigy to Planeswalker*