Alternative Pupil

This card cannot attack or be tributed.
This card can be summoned without tribute to
your opponent's field. For every turn this card is
on your opponent's field, decrease its lvl by 1,
and reduce you and your opponent's life by 1
for each lvl. When this card reaches lvl 1 through
this effect, return it to your side of the field. (If
there are no empty positions, destroy this card.)
When this card returns to your field, it can attack
and be tributed. However, if you tribute this
card, re