For three mana, Hound Tamer is a 3/3 with trample that can put +1/+1 counters on creatures for four mana
If there are no legal targets available for the first two modes, you must choose the last mode
Open your boosters and find out Each booster pack contains one of 121 possible card lists so there are over 14 000 possible 40-card decks
That said, it's one of those cards that's really easy to overestimate and I guess that's what happened here
Quest for Ulas Temple can get a counter, you can set up Sapling of Colfenor for a massive attack of life gain and draw the card, you can find abilities for Skill Borrower, play it with Garruks Horde, haste it out with Impromptu Raid, find a use for Descendants Path, and so forth
What affects the value of Inti, Seneschal of the Sun