A great limited card from Khans of Tarkir, the Jeskai morph at common doesn't have a ton of use in EDH
Instant Speed Discard Cards: _(Allows you to force them to discard on their turn, so you can get a draw trigger then too.) Necrogen Spellbomb , Funeral Charm , Black Cat / Mindslicer / Elvish Doomsayer like cards, that discourage people from attacking you while also possibly making them discard on their turn, Nezumi Shortfang Flip (also has a special second flipside ability), Torment of Scarabs (they have to really screw themselves over every turn unless they discard), Cry of Contrition (can be sort of like a bounty, taxing someone when the creature dies which can be on someone else's turn), Unmask , Greel, Mind Raker , Gibbering Descent Other Cards: king-saproling on Rograkh's Emotional Support Kitty 5 years ago Cool deck
If the outside person you've chosen just refuses to play along, try to choose another person
It allows you to use materials from your hand or GY if a specific Spell is in play
So much so, that it started causing some problems, which I will now walk through