Claiomh Solais

Claiomh Solais enters the battlefield with X
Arcturus counters on it.
At the beginning of your upkeep, put an
Arcturus counter on Claiomh Solais for each
Wizard you control.
While Claiomh Solais has seven or more
Arcturus counters on it, Wizards you control
gain +2/+2 and flying.