Kindred

First Strike
As long as your devotion to {w}{b}{r} is less than
seven, I am not a creature.
The first time you destroy a creature each turn
place a "Marked" counter on target creature with
the lowest power (choose if even). If I'm a
creature, remove all "Marked" counters from creatures at end of turn and exile those creatures.
Limit Break (Transform me when conditions are met.
I keep all counters when flipped.) I am a creature at
the end of turn.