Since you'll be playing a lot of 2/2 creatures, Deadly Disguise also has a two-power subtheme , with cards like Dusk/Dawn , Duskana, the Rage Mother , Sidar Kondo of Jumuraa , and Welcoming Vampire all enhancing your army of disguised critters
Stubborn Burrowfiend is another powerful and aggressive 2-drop
This tends to make multicolor cards a bit wordier than the average monocolor card, because you have to get two different effects on the card
The rest treat a slab like a raw card, which gives you a price that can be off by an order of magnitude
Pokmon that "only have 1-energy attacks" These are common among Basic Pokmon, but since they can be taken immediately on the turn they enter the field if you have that type of energy, the strategic depth is low, so I don't really recommend them