At the beginning of your end step, for each player, put a +1/+1 counter on up to one target creature that player controls. Each creature with one or more counters on it can’t attack you or planeswalkers you control unless its controller pays {X}, where X is the number of counters on that creature.
Near Mint - $2.50
Lightly Played - $2.25
Moderately Played - $2.00
Heavily Played - $1.50
Damaged - $1.00
Near Mint Non-English - $2.50
Lightly Played Non-English - $2.25
Moderately Played Non-English - $2.00
Heavily Played Non-English - $1.50
Damaged Non-English - $1.00