Elisa, the Empress Returned

Flying, Deathtouch
{2}{u}: Creatures you control gain flying until end
of turn.
{2}{b}: Creatures you control gain deathtouch
until end of turn.
{3}{t}: Put a memory counter on target artifact
you control.
If Elisa, the Empress Returned is in your
graveyard, you may sacrifice an artifact with a
memory counter to return her to the
battlefield.