Flying, trample

: Mantis Engine gains flying until end of turn. (It can't be blocked except by creatures with flying or reach.)

: Mantis Engine gains first strike until end of turn. (It deals combat damage before creatures without first strike.)

Just a second (As long as this spell is on the stack, players can't move cards on the battlefield.)

Slaying Mantis enters the battlefield by being thrown from a distance of at least three feet.

When Slaying Mantis enters the battlefield, it fights each creature an opponent controls that it touched as it entered.