Mountable Pegasus

Equip: {w}{w}{w}
Equipped creature gains flying and first strike
and gets +4/+4.
If equipped creature's base power was 2 or less,
copy this spell, you may choose a new target
for the copy with power and toughness of 3 or
less.
If equipped creature's power was 4 or more, in
addition to casting this spell, pay 3 life.