These marks called tiger stripes are caused by a variety of reasons.
Gutter grime ruleing.
The power and toughness of the ooze tokens will constantly update as gutter grime accumulates slime counters.
Gutter grime has an ability that reads whenever a nontoken creature you control dies put a slime counter on gutter grime then create a green ooze creature token with this creature s power and toughness are each equal to the number of slime counters on gutter grime the ability granted to the token only looks at the gutter grime that created the token not at any other gutter grime on the battlefield.
Roofing tar and asphalt can leach down on the gutter while dirt mold and pollutants can become electrostatically bonded to the gutter s paint.
The higher the amount the bigger a gutter has to be to keep from being overwhelmed in a storm burst.
Whenever a nontoken creature you control dies put a slime counter on gutter grime then put a green ooze creature token onto the battlefield with this creature s power and toughness are each equal to the number of slime counters on gutter grime more info.
The power and toughness of that ooze will be equal to the number of slime counters on that gutter grime only.
If gutter grime leaves the battlefield the power and toughness of each ooze token it created will become 0.
If you control more than one gutter grime each ooze token remembers which one created it.
Gutters can become stained with unsightly dark lines which can be difficult to remove.
Whenever a nontoken creature you control dies put a slime counter on gutter grime then put a green ooze token onto the battlefield with this creature s power and toughness are each equal to the number of slime counters on gutter grime.
Weather bureau records the maximum rainfall that could possibly happen in a 5 minute period in inches per hour for various regions.
The power and toughness of that ooze will be equal to the number of slime counters on that gutter grime only.
For special rulings visit the gatherer page.
If you control more than one gutter grime each ooze token remembers which one created it.
9 22 2011 if gutter grime leaves the battlefield the power and toughness of each ooze token it created will become 0.
Unless another effect is raising its toughness above 0 each of these ooze tokens will be put into its owner s graveyard the next time state based actions are checked.