flavorText: Within without.
name: Dream Halls
originalText: Instead of paying the casting cost for a spell of any color, its caster may choose and discard a card that shares at least one color with that spell. If the spell has o\nX in its casting cost, X is 0.
printings: STH, TPR
text: Rather than pay the mana cost for a spell, its controller may discard a card that shares a color with that spell.