Warden of Geometries
{4}
Creature — Eldrazi Drone
Oracle Text
Vigilance
{T}: Add {C}. ({C} represents colorless mana.)
Watch Out
Mana abilities don't use the stackRules Note
If this card's activated ability produces mana and doesn't target, it's a mana ability. Mana abilities resolve immediately without using the stack — opponents can't respond to them. However, abilities that target (even if they produce mana) aren't mana abilities.