Yorm Spire

Yorm Spire enters the battlefield tapped.
When Yorm Spire enters the battlefield, sacrifice
it unless you pay 1 life and pay {1}. If you do, put
three ice counters on it.
{t} Add one mana of any color. You may remove
an Ice counter from Yoriman Spire. If you do,
and the mana is used to cast a snow spell, that
spell cannot be countered.
"A splinter of the eldest Yorm's very bone."