The format-warping one-drop is the undisputed best red card in Modern, maybe even the best red card in the game
One allows you to create a 1/1 Attendee creature token of all colors for each planeswalker type you control, and the other lets you choose a certain MTG planeswalker card to copy for free
The mana sink for proliferate is especially strong when you pepper the battlefield with poison and -1/-1 counters on your opponents' stuff, and +1/+1 counters, shield counters, and planeswalkers on your side
If youre creating custom card art, printing proxies, or setting up a digital workspace, you need pixel dimensions not just inches
Understanding these through lines will help you remember old cards and evaluate new ones, and ultimately increase your skill and enjoyment of Magic