Kytheon was reprinted in Pioneer Masters , was briefly power-crept out of our cube list, and was later added back in
This backwoods tracker is a great include if youre looking for a simple, repeatable fight effect
As another example, if my opening hand has a one-drop, a two-drop, a three-drop and four different four-drops, then I will usually bottom the worst three four-drops in the hope of drawing into a powerful five or six-drop, while keeping the cards that will ensure a perfect 1-2-3-4 curve-out
Finding out which cards are the most valuable also tells you which cards are most important, and discovering what makes those cards worth their asking price is an easy way to understand which concepts are powerful and universal to the game of Magic
I'm not perfect and neither are you