Tamiel, the Sight Unseen

Haste, devoid (This card has no color)
Tamiel, the Sight Unseen is unblockable.
Return Tamiel, the Sight Unseen to your hand at the end of combat on your turn.
Under the surface of the world, an invisible force exerts itself upon us. Dull waves of its gravity pour across us without notice, without a trace.