Dream Halls 
Enchantment
Rather than pay the mana cost for a spell, its controller may discard a card that shares a color with that spell.
Legality
standardNOT LEGALpioneerNOT LEGALmodernNOT LEGALlegacyLEGALvintageLEGALcommanderLEGAL
Enchantment
Rather than pay the mana cost for a spell, its controller may discard a card that shares a color with that spell.