Condescend: Mostly used in mono-blue Tron decks in Modern, this is a popular counterspell that lets you look at the top of your library, thanks to its scry ability, ideal for a deck that has access to tons of mana
While its seeing an uptick in maindeck play in Throne of Eldraine Standard thanks to blue having a ton of good cards, Mystical Dispute has started to see some sideboard play in Modern thanks to how good it is against Urza Outcome
Nefarox, Overlord of Grixis is a flier thatll force your opponents to sacrifice creatures when it attacks alone
His ability gives Locations a nice buff to their Willpower
Do you need to keep those nasty aggro hordes off your back until you can play your real good stuff
However, where Zapdos truly shines is with its second attack, Thundering Hurricane