Johnson's Anchor

When Johnson's Anchor enters the battlefield,
create Anchor Johnson, a legendary 5/5 blue
Giant creature token, then attach Johnson's
Anchor to it.
If equipped creature is named Anchor Johnson,
it gets +3/+0 and trample.
If equipped creature isn't named Anchor
Johnson, it loses flying and doesn't untap
during its controller's untap step.
{3}: Attach Johnson's Anchor to target creature.