Harnessed Savagery

Endure {4}{u}{r} (You may cast this spell for its
endure cost. If you do, remove all instances of "until
end of turn" in its text. Exile this spell card encoded
on the target as it resolves.)
You may cast this spell as though it had flash if
it targets a tapped creature.
Gain control of target creature until end of turn.
Untap that creature. It gains haste until end of
turn.