Open the Firecat's Cage

Flip a coin until you lose a flip. Put X 4/4 red Elemental Cat creatures tokens with X +1/+1 counters on them, where X is the number of flips you won. Copy this spell if the total power of creatures you control in the battlefield is less than 10.
"They have been caged for a long time, imagine the maddened they are"
—Firecat handler