Ercwlff the Beastbane

When Ercwlff the Beastbane enters the battlefield, it fights target creature.
When a creature is dealt damage by Ercwlff the Beastbane, you gain control of it until end of
turn. Untap that creature. It gains haste until
end of turn.
{1}{r}{g}: Ercwlff the Beastbane fights target
creature.