If thats not enough of a reason to brew around it, consider the power: Dogmeat cantrips the turn it comes into play and provides further card advantage by fetching Junk tokens whenever you attack with equipped or enchanted creatures
Synapse Sliver solves that problem by giving every sliver the potential to draw cards if they deal combat damage to a player
Another rare choice, Lim-Dul's Paladin is a wonky creature from the Alliances block with a few paragraphs of text that basically amount to it either being a 6/6 with trample, or just 4 lost life
If its almost good enough for that, itll be a slam dunk in a deck built around energy
Flash makes it versatile against all sorts of stuff, including notorious card drawing permanents, planeswalkers, cascade, etc
Heres the most impactful reasons to play an ally strategy