Sheira, Etherium Hunter

Deathtouch, skulk
When Sheira, Etherium Hunter enters the battlefield or attacks, you may search
your library and/ or graveyard for a card named Etherium Dagger, and put it onto the battlefield.
If you search your library this way, shuffle.
{1}, Sacrifice an artifact: Sheira, Etherium
Hunter deals 1 damage to any target.