The issue is that it is five mana total to play and use the Rat and as such it is not really adding or receiving much value from something like a Bloodghast
71.Hildibrand Manderville* Hildibrand is an interesting token commander, and has a great deal of resilience with the recursion ability it has which will also end up with a token on the board
At least when Im playing them
This means that in addition to amass Goblins working nicely in both sacrifice and +1/+1 counter decks, its also a great fit for Goblin decks, which can very easily combine a Goblin Army with Goblin payoffs to great effect, especially if youre going the sacrifice route
If you control six or more humans, owyn lets you draw a card, so its an awesome engine for both flooding the board and gaining card advantage
Fun fact: instead of deathtouch, he used to have the ability to pay life to copy an ability