Itachi, Uchiha Raven

First strike, vigilance, ward {2}
You may sacrifice a creature any time. If you do,
you may use Tsukuyomi and Ameterasu.
Otherwise you can't use them.
Tsukuyomi-{2}{p/b}{p/u}: Put 2 Tsukuyomi counters
on target creature.
Ameterasu-{x}{p/b}{p/r}: Put half of X Ameterasu
counters on target creature rounded down.