Viscid Form

{0}: Exile target creature you control until Viscid
Form leaves the battlefield. You gain life equal to
the toughness of the exiled creature.
Pay X life: Return to the battlefield under its
owner's control a creature card with toughness X exiled with Viscid Form. It becomes an ooze in addition to its other types. Activate only once
each turn.
Dozens of voices creating one grand assimilation.