Capriscarn, Shaping One

As Capriscarn, Shaping One enters the battlefield, it becomes your choice of a 3/6 creature with flying and first strike, or a 6/3 creature with flying and trample.
(This creature can't be blocked except by creatures with flying or reach. This creature deals combat damage before creatures without first strike.)
(This creature can't be blocked except by creatures with flying or reach. This creature can deal excess combat damage to the player or planeswalker it's attacking.)