Kron, Thief of Longinus

Haste, Vigilance, Lifelink
When Kron, Thief of Longinus enters the
battlefield, you may search your library for
a card named 'Lance of Longinus' and place
it onto the battlefield. Shuffle your library.
If you don't, you may place an equipment
from your graveyard onto the battlefield.
'Neither angel, demon nor man. Abominations...'
—Thanatos