Ritual of Subdual is a rare Enchantment card from Magic: The Gathering (Masters Edition II, ME2).
Rare
Masters Edition II (ME2)
{4}{G}{G}
Mana Value
6
Colors
G
Card Text
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.
