Trinisphere [Darksteel] Worldwake Prerelease Promos even in the endless flat

even in the endless flat plains of their homeland

its controller adds an additional one mana of that color

Brain Freeze is fast to set-up

Set: Magic 2010 Type: Instant Rarity: Rare Cost: {W} Your opponents can't cast spells this turn

Age: 4 - 5 years +

Trinisphere [Darksteel] Worldwake Prerelease Promos even in the endless flatSet: 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.)