Obito, Madara's Legacy

Ninjutsu {1}{u}{b}
You may have Obito, Madara's Legacy enter the battlefield as a copy of any creature in a
graveyard, except it's a Ninja in addition to it's
other types and has all of Obito's other abilities.
Sacrifice a creature: Regenerate Obito.
"Love gives birth to sacrifice, which brings hatred
and lets you know pain."