Kiko, the Sleeper

Kiko enters the battlefield tapped, with 4 sleep counters on it.
Pay {b}{b} to remove 2 sleep counter from Kiko
(Use only as a Sorcery).
When all counters are removed from Kiko, it
gains First Strike, Hexproof and Vigilance. For
each counter removed this way, it also gains a
+1/+1 counter.
"Day sleeper, scourge of these lands at night..."
Ivan, Hatter of Guilds