STORMBREATH DRAGON Speaking of Jeskai Midrange, enter Stormbreath Dragon
Etrata, the Silencer and Ramses, Assassin Lord are perfect additions to the 99 that support the assassin typal theme and get as many combat triggers as possible
Usually the correct choice is to never take the offer, though for a table there has to be some implicit trust since to be the only opponent to take an offer gains that player an advantage over everyone but the offering player
When you play Chivalrous Chevalier, you have to either bounce a creature back to your hand, or you have to compliment an opponent, which is just nice
Compared to the current standard meta of Guilds of Ravnica, those were weak for competitive play
You can hard cast an Eldrazi