
Lands you control have "{T}: Add one mana of any color."
Joiner Adept has 2 printings, first in Fifth Dawn (2004). EDHREC ranks it #11,948 among Commander cards. It appears most in Toph, the First Metalbender decks (2,947 on EDHREC). It has 1 official ruling.
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.