If it's neither day nor night, it becomes day as The Weekly Princess enters. (It becomes night next turn if a player casts no spells on their turn, and day if a player casts 2+ spells on their turn.) Whenever night becomes day, put a +1/+1 counter on The Weekly Princess. Then if she has seven or more +1/+1 counters on her, she deals damage equal to her power to each opponent. When The Weekly Princess leaves the battlefield, it stops being day or night. (Stop tracking it. Trust us, it's better this way.)
Near Mint - $15.900
Lightly Played - $12.700
Moderately Played - $11.100
Heavily Played - $9.500
Damaged - $8.000
Near Mint Spanish - $15.900
Lightly Played Spanish - $12.700
Moderately Played Spanish - $11.100
Heavily Played Spanish - $9.500
Damaged Spanish - $8.000