Sleep Like a Cat

{p/u}{p/b}{p/w}: Target player goes to sleep for the next sixteen main phases among opponents he/she has
in addition to his/her own and is tracked by +1/+1 counters.
During sleep, target player is immune to any combat
damage.
{t}: Wake up —Target player deals damage to himself/herself for as many counters on
this card and all creatures gain haste.