Bloodbane Captain

When this creature comes into play, create X 1/1 red bats with flying and "{t}: This creature deals 1 point of damage to any target. Then, until end of turn, target vampire or bat gets "{r}: this creature gets +1/+0 until end of turn". Haste, Lifelink.
On your endstep, create a red 1/2 vampire with lifelink and "{r}{r}: This creature gains flying until end of turn".
Whenever a bat or vampire attacks of blocks, it gains lifelink or first strike until end of turn.
Other bats and vampires have +1/+1.