The situations where a scanner becomes essential are very concrete: Sorting a bulk lot you bought : before buying 500 cards at 10 a box, you want to know in 5 minutes what is worth keeping
Auntie Ool, Cursewretch Auntie Ool, Cursewretch is among the narrower options on the list since its card draw is restricted to your ability to put -1/-1 counters on creatures, but that's far from hard
Bolt Bend and Redirect Lightning come close, but free spells are great, and Deflecting Swat can shift the game real fast if youre able to redirect the right spell
[2] If a technique shows the Colorless energy symbol, any type of Energy card can be used to cover the cost
it only has five
If you are looking for specific ways to play or a more fancy set of cards just to collect, there are other, better options for you