This card is fun, and it does get better each time WotC prints something absurd and expensive, but WUBRG isnt easy to generate, and you dont want to be stuck with a handful of giant things when you dont draw this or it gets disenchanted
He only needs one draw to be good, two makes him great but you are probably averaging 0.3ish draws per Sram cast in a deck with 3 targets
Beanstalk Giant curves quite well with Invasion of the Giants, as you can just go Turn 2 Saga, Turn 3 Fertile Footsteps, and Turn 4 Beanstalk Giant
Rhet-Tomb Mystic Rhet-Tomb Mystic is a small flier with a huge upside: It gives every creature card in your hand cycling
These Commander decks let you jump into the action and play with friends, either commanding the forces of the Mirran resistance with Rebellion Rising or compleating the game in style with true Phyrexian prowess using Corrupting Influence