If control or midrange decks can't deal with your indestructible creatures, that's a great way to close out the game, even after your opponent has stabilized
And if you draw it late, you can still cast it for 6 mana in a pinch
With the right cards in hand, he works great as part of some combos
Not background necessarily, but some other line of text that says something along the lines of Whenever you sacrifice a Treasure token, give a creature a +1/+1 counter and trample until end of turn. That would make it a lot more interesting and powerful, but I suppose not every card needs to be great
The most common case is that you just dont play the game anymore and have no real intentions of coming back to it
I eventually settled on five slots for those two cards, but whats the best split