Tsukiyomi, Consumed by Shadow

Flying, trample, menace, deathtouch, haste, go
beyond 3 (When this creature attacks, you may have
it gain +5/+5 until end of turn. If you do, put three
-1/-1 counters on it at the beginning of your postcombat
main phase.)
Tsukiyomi, Consumed by Shadow attacks each
combat if able.
Whenever Tsukiyomi, Consumed by Shadow
attacks, sacrifice a permanent.