Krandos's Howler

{t} Put a breath counter on Krandos's Howler.
{5} If three or more breath counters are on
Krandos's Howler, remove three and then put
target dog creature or Krandos planeswalker onto
the battlefield from your hand under your control without paying its mana cost.
"What's a little dog gonna do to us, bite us?" - last
words, unnamed Phyrexian invader