Shadowheart, Traitor Of Shar

Choose a Background
Vigilance, Lifelink and Starting Intensity 1.
Whenever you cast a creature spell or gain 3 or
more life Shadowheart gains 1 Intensity.
{t} Remove X Intensity and gain X life.
{t} Remove 3 Intensity and Venture into the
dungeon.
{t} Remove 5 Intensity, up to 3 creatures you
control gain Indestructible until end of turn.