Constellation Thassa

Constellation - Scry 1 or draw a card if you used
Scry after your last card draw.
{1}{u}{u}: Tap target creature without flying or
untap target creature you control. Use no more
than once plus the number of times this card's
Constellation has been triggered this turn.
{0}: Constellation Thassa becomes a 6/6 God
Incarnation creature with Hexproof until end
of turn. Use this only if your Devotion to Blue
is 7 or more and you do not control a creature
named Constellation Thassa.