Black Cat does so in a way that basically invalidates the need for Gonti at all
Amass The return of the amass mechanic from War of the Spark is a massive shock
Like a true red deck, Animated Army incentivizes playing it aggro but your elementals only activating on your turn makes you particularly vulnerable to returned attacks
In Innistrad: Crimson Vow last year, we got a card called Bleed Dry, which is a random, forgotten uncommon that is the same as the front side of Invasion of Innistrad but with the upside of exiling the creature that it kills, and cards like Tragic Slip and Tragic Fall do the same thing for one or two mana if their morbid or hellbent conditions are met
Lastly, platforms like eBay also see plenty of misprints, though youll need to be carefulmislabelled damage is common, and pricing isnt always consistent
One of the more important aspects of constructing a deck is the mana ratio