Mana Crypt

At the beginning of your upkeep, flip a coin.
If you lose the flip, Mana Crypt deals 3 damage
to you.
{t}: Add {c}{c}.
"In deepest depths the ley line's spring, of star lit crypts
the old bards sing. Its power like a sun bound ring,
but drink too long and feel its sting."
—Delver's Dirge