Sekiro, Lone Wolf

When Sekiro, Lone Wolf, enters the battlefield if
any black mana was spent to cast it, it enters with
a shield counter.
When Sekiro, Lone Wolf, would be put into a
graveyard, instead return it to your hand.
{1}: Sekiro, Lone Wolf, gets +1/+0 or +0/+1 until
end of turn or Sekiro, Lone Wolf, gains first strike
or hexproof until end of turn.
{b}: Sekiro, Lone Wolf gains lifelink until end of
turn.