Confidence:StrongSolidPlausibleTentativeSpeculative

• Helping Hand

  W

  SorceryW

  Helping Hand puts Wall of Tombstones onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Unearth

  B

  SorceryB

  Unearth puts Wall of Tombstones onto the battlefield from a graveyard without casting it, so its mana cost is never paid.