Web [Beta Edition] Swamp Forest it produces {B} instead of

it produces {B} instead of any other type and amount

Oracle uses her gift of prophecy to aid her people

Set: Urza's Saga Type: Artifact Rarity: Rare Cost: {4} At the beginning of your upkeep

There was no darker or more evil creation in all the multiverse than that of the mana screw

Set: Dominaria Prerelease Promos Type: Legendary Artifact — Equipment Rarity: Rare Cost: {2} Equipped creature gets +1/+1 for each land you control

Web [Beta Edition] Swamp Forest it produces {B} instead ofSet: Beta Edition Type: Enchantment Aura Rarity: Rare Cost: {G} Enchant creature (Target a creature as you cast this. This card enters the battlefield attached to that creature.) Enchanted creature gets +0 +2 and has reach. (It can block creatures with flying.)