Ritual of Subdual
5c5c01e7-8116-45fc-afc3-d52a31a635cb
$1.00 CND
Cumulative upkeep {2} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)
If a land is tapped for mana, it produces colorless mana instead of any other type.