Trinisphere [Darksteel] New Phyrexia Promos Set: Guru Type: Basic Land

Set: Guru Type: Basic Land — Plains Rarity: Rare ({T}: Add {W}

Battle-Forged becomes a 4/4 Human Soldier creature with indestructible that's still a planeswalker

players can't cast spells or activate abilities that aren't mana abilities

Set: Shadows over Innistrad Prerelease Promos Type: Enchantment Rarity: Rare Cost: {1}{G} Creatures you control have "{T}: Add one mana of any color

When Ancestral Knowledge leaves the battlefield

Trinisphere [Darksteel] New Phyrexia Promos Set: Guru Type: Basic LandSet: Darksteel Type: Artifact Rarity: Rare Cost: {3} As long as Trinisphere is untapped, each spell that would cost less than three mana to cast costs three mana to cast. (Additional mana in the cost may be paid with any color of mana or colorless mana. For example, a spell that would cost {1}{B} to cast costs {2}{B} to cast instead.)