Seven Day Stevie

At the beginning of each player's upkeep, if Seven Day Stevie has 6 or less fasting counters, put 1 fasting counter on Seven Day Stevie.
At the beginning of our upkeep, if Seven Day Stevie has 7 or more fasting counters, destroy all morsels. If no morsels are destroyed this way, destroy Seven Day Stevie.
If Seven Day Stevie has 7 or more fasting counters, he gains +7/+7, and "{t}: counter target spell."