The odds are good, but the goods are odd
Scholar of the Lost Trove Scholar of the Lost Trove doesnt have the same combo potential as Chancellor of the Spires, but your deck is usually primed to take advantage of your own spells rather than your opponents
If you just want a threat play one that is an artifact and doesn't need coloured mana
Cid, Timeless Artificer Dragon's Approach Hare Apparent Persistent Petitioners Rat Colony Relentless Rats Shadowborn Apostle Slime Against Humanity Tempest Hawk Templar Knight
Additionally, the fact that Therapy's flashback cost doesn't cost any mana makes it especially explosive for preventing your opponent from playing a fair game of Magic.
Here's what actually happens: you find a cool custom card back design online, place the order, and what arrives feels flimsy, prints muddy, or the dimensions are just slightly off