Shard of Amethyst

Whenever a player casts spell, put a gem counter on Shard of Amethyst, then if there are two or more gem counters on it, remove them all.
Noncreature spells cost {1} more to cast if there
is a gem counter on Shard of Amethyst.
{t}, Sacrifice Shard of Amethyst: Draw a card.
They tried to destroy it, but it still has a faint glow from its former power.