While you can manually upload your collection by adding cards individually, you can't export it without the premium feature
In any case, you want to be combining enablers like Teferi's Puzzle BoxTeferi's Puzzle Box, Howling MineHowling Mine, and the original Wheel of FortuneWheel of Fortune with payoffs and damage dealers like Fate UnravelerFate Unraveler, Sheoldred, the ApocalypseSheoldred, the Apocalypse, and Razorkin NeedleheadRazorkin Needlehead
Irascible Wolverine This red creature requires a little bit of work, but its another three-drop that draws a card if you play it correctly and thats bound to be good enough in most red decks
Excalibur, Sword of Eden joins the ranks of other colorless Artifacts like Blightsteel Colossus whose cost exceeds ten mana
Life cards you take early become potential counter cards (since you draw when you take damage in some deck configurations)