Resources

Magic: The Gathering Oracle Changes

Ravnica: City of Guilds to Guildpact (Single Change View)

New cards

Old card (Ravnica: City of Guilds) New card (Guildpact)

Debtors' Knell

{4}{w/b}{w/b}{w/b}

Enchantment

({w/b} can be paid with either {W} or {B}.)

At the beginning of your upkeep, put target creature card in a graveyard into play under your control.