Wall of TombstonesCasting Cost: {1}{B}Card Type: Creature - WallPower/Toughness: 0/1Card Text: Defender (This creature can't attack.) At the beginning of your upkeep, change Wall of Tombstones's base toughness to 1 plus the number of creature cards in your graveyard. (This effect lasts indefinitely.)Artist: Dan Frazier