The Shard of the Twelve Worlds

Your spells are all colors.
Whenever you cast a spell, put a charge counter
onto this land. Then, add one mana of any color
a permanent you control shares with this spell.
If there are five or more charge counters onto
this land, sacrifice it.
{5}, {t}: Remove a charge counter from this land.
{5}, {ut}: Remove a charge counter from this land.