
Add {R} for each tapped land your opponents control.
Mana Geyser has 11 printings, first in Fifth Dawn (2004). EDHREC ranks it #290 among Commander cards. It appears most in Kuja, Genome Sorcerer // Trance Kuja, Fate Defied decks (11,188 on EDHREC). 6 public decks on TCG run it.
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.