
{3}, {T}: Double the amount of each type of unspent mana you have.
Doubling Cube has 4 printings, first in Fifth Dawn (2004). EDHREC ranks it #3,452 among Commander cards. It appears most in Omnath, Locus of Mana decks (5,541 on EDHREC). It has 3 official rulings.
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.