It's not the most egregious thing, but players are often scrambling for dice to keep track of various colors in complex sequencing
You will scream out your innermost secrets just to make it stop
Man-o-War is excellent against aggro, midrange, and Cloudshift and Zombify shenanigans, but awful against control and likely too slow for Horseshoe Crab+Quicksilver Dagger combo
There are still a lot of common abilities that are brand-new to me scry, flash, lifelink, this thing where I earn the citys blessing, legendary cards that have four different potential abilities but most of it gets helpfully defined simply by right-clicking on a card
However, you'd better believe that I'm picking Sarkhan over Rush of Battle, Ponyback Brigade, or virtually any other card you can imagine
The top themes and are listed in the dropdown, and you can go to Themes for lots more obscure ones if you feel more adventurous