mtg blue card draw edh Mono (Commander / Deck) What are your best budget

Kydele, Chosen of Kruphix Kydele, Chosen of Kruphix wants card draw to give you more ramp, but in practice you often need the reverse, ramp first, then card draw

Forged by tragedy with the death of his parents, Bruce dedicated his life to becoming the world's leading martial artist, detective, and tactician

I like this one

Armix & Ich-Tekik Golgari Artifacts Armix, Filigree Thrasher & Ich-Tekik, Salvage Splicer add a unique spin to the popular Artifact archetype by exploring it outside its traditional colors of Blue and Red: the result is an Artifact deck that gains a powerful sacrifice theme thanks to Black and a beefy game-ending threats thanks to Green

They all can cost four mana if you want them to

Even with Skulk, you opponent would have to NOT control any 2/2s or 1/1s