As a 5-cost uninkable 4/4 for 2 lore with Shift 3, you are getting just an okay body
There are only seven ramp cards total (two One Jump Ahead, two Gramma Tala, and three Mickey Mouse, Detective) which can make it difficult to ensure you get them in your opening hand
A 4/4 with flying and trample for four mana, Sigarda provides all Humans under its owner's control with +1/+1
Tinybones checks which opponents have no cards in hand only as its last ability resolves
Contrast CMU Academy with Hovi's deck, which gave him his second PT win: Not only did Hovi not play Wasteland main (controversial to say the least in a tournament defined by Tolarian Academy) but his deck was bogged down with lots of Mind over Matters
These effects that don't require the ability-holder to tap, are always sneaky-useful and synergize well with your artifact cards