Maybe you build a mono-red firebending deck but you lack quality firebenders
With all the Goad Seifer offers, its pretty easy to stop your opponents from interacting with you at all this way
No, not all villains need a villainous choice
PanharmoniconPanharmonicon, Yarok, the DesecratedYarok, the Desecrated, and Doubling SeasonDoubling Season will double up the cards you draw, so they're definitely cards to play in this deck
However, due to the high cost of some cards, there can be issues early game with land/mana count and may take a couple of turns for things to get rolling
Edgar Markov does that on attack, Drana, Liberator of Malakir will give +1/+1 counters to all attacking creatures when it deals combat damage, and Rakish Heir gives all Vampires the ability that when they deal combat damage, they get a +1+/+1 counter