
Rather than pay the mana cost for a spell, its controller may discard a card that shares a color with that spell.
Dream Halls has 2 printings, first in Stronghold (1998). EDHREC ranks it #12,416 among Commander cards. It appears most in Tiamat decks (735 on EDHREC). It has 1 official ruling.
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.