Daisy, the Replacement

Reach,Vigilance, Deathtouch
Whenever you search your library for a hound,
you may have Daisy enter the battlefield from the library.
John Wick, Avenger of Hounds cannot attack or
block. When this creature deals combat damage
to a player, put a +1/+1 counter on target hound.
If an opponent attacks you or a planeswalker you control, this creature must block if able.