Squirrels of Flame

Cumulative upkeep — Sacrifice a forest. (At the beginning of your upkeep, if this permanent is on the battlefield, put an age counter on this permanent.
Then you may sacifice a forest for each age counter
on it. If you don't, sacrifice it.)
At the beginning of each opponent's end
step, Squirrels of Flame deals 2 damage to
that opponent.
Fire is dangerous, for better or for worse.