Surge Crystal

At the beginning of your turn, add a counter to
Surge Crystal.
When this Artifact is on the battlefield, these apply:
•Draw a card, remove a counter.
•Draw three cards, remove two counters.
•If Surge Crystal has a counter on it, all besides you
must pay {1} more mana to cast spells.
{bull}Surge Crystal can't have four or more counters,
If it does, exile Surge Crystal.