Thundering Falls [Murders at Karlov Manor Prerelease Promos] BW80 that effect deals that much

that effect deals that much arcane damage plus 1 and at the beginning of the end phase

each waiting for an errant footstep to release its noxious spores

It also contains the following rules

and cards in your graveyards

Set: EX: Team Magma vs Team Aqua Type: Darkness Rarity: Secret Rare Retreat cost: Colorless

Thundering Falls [Murders at Karlov Manor Prerelease Promos] BW80 that effect deals that muchSet: Murders at Karlov Manor Prerelease Promos Type: Land Island Mountain Rarity: Rare (T: Add U or R.) Thundering Falls enters the battlefield tapped. When Thundering Falls enters the battlefield, surveil 1. (Look at the top card of your library. You may put it into your graveyard.)