Getting into Magic can be a chicken-and-egg situation: you cant play without a deck, but how do you build a deck without knowing what any cards do
The Wandering Rescuer (DSK) $16.00 The Wandering Rescuer is going to be a pain to play around in plenty of formats
While this likely isn't the plan of a tournament deck, Sundial of the Infinite has a cult following in Commander and is the perfect Against the Odds card, so while this interaction likely won't break into Modern, people will try it, and it will be awesome when it works
Heavily Played condition cards may include cards that have significant creasing, folding, severe water damage, heavy whitening, heavy border wear, and/or tearing
Now tempo is far too great for four mana draw spells and so you can only play Deep Analysis if you are reliably able to get it in the bin
Then theres Strionic Resonator