Living Wall [Alpha Edition] Cat it produces colorless mana instead

it produces colorless mana instead of white mana

Set: From the Vault: Relics Type: Artifact Rarity: Mythic Cost: {5} {T}

Enchanted creature gets +2/+1

Set: Arena League 1996 Type: Basic Land — Mountain Rarity: Rare ({T}: Add {R}

it deals 1 damage to you

Living Wall [Alpha Edition] Cat it produces colorless mana insteadSet: Alpha Edition Type: Artifact Creature Wall Rarity: Uncommon Cost: {4} Defender (This creature can't attack.) {1}: Regenerate Living Wall. Some fiendish mage had created a horrifying wall of living flesh, patched together from a jumble of still recognizable body parts. As we sought to hew our way through it, some unknown power healed the gaping wounds we cut, denying us passage.