Trouble With Tribbles

Enchant player
{1}, {t}: Create a 1/1 colorless Tribble creature
token under enchanted player's control with,
"At the beginning of your upkeep, tap a
non-Tribble permanent you control." This
ability costs {1} more to activate for each Tribble
on the battlefield.
"I transported the whole kit and cabooble into their
engine room, where they'll be no tribble at all."