Noruk, the Frozen Warlord

Haste (This creature can attack and {t} as soon as it
comes under your control.)
Whenever Noruk, the Frozen Warlord is dealt
damage, that damage is instead dealt in the form
of -1/-1 counters.
At the end of each player's end step all -1/-1
counters on permanents you control become
+1/+1 counters.