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.)
Near Mint - $6.20
Near Mint Non-English - $6.20
Lightly Played - $5.60
Lightly Played Non-English - $5.60
Played - $4.40
Played Non-English - $4.40
Heavily Played - $3.80
Heavily Played Non-English - $3.80
Damaged - $3.10
Damaged Non-English - $3.10