You're not doing anything with artifact creatures, ETBs, or sacrificing, so it makes more sense to find something more synergistic for our ramping needs
Second, being more expensive can be an advantage to a threshold card because that gives you time to get the requisite cards into your graveyard assuming that you're being rewarded for all your extra effort
Alakazam/Dundunsparce The deck for players with a strong grip and a love of card draw, both Alakazam and Dundunsparce draw you cards as you climb up their evolutionary lines, and if your hand gets big enough, Alakazam's attack can wipe out anything in your way
The card very much captures the spirit of the Rebel Alliance being stronger by working together against the empire
Add to that instant-speed card filtering for no mana and you've got a real winner
The Response side as emergency removal is fine, as well