Sparaton, the First Knight

Haste, lifelink
Chivalry 3 (Whenever this creature attacks, you may
tap an untapped creature you control with lesser power.
If you do, this creature gets +3/+3 until end of turn.)
When Sparaton, the First Knight enters the battlefield, gain control of target creature with
power 2 or less until end of turn. Untap that
creature. It gains haste until end of turn.