By merely dropping it on the first turn, you could win the game without ever casting another card from your hand
Ureni filters through your deck for a Dragon and puts it into play for free, while Ehsiki prefers you play them more fairly, rewarding you with direct damage, card draw, and +1/+1 counters for the Temur khan
But the tempo loss of having to play this and then move your characters here is too much
As Hecteyes's ability resolves, the next opponent in turn order (or, if it's an opponent's turn, that opponent) chooses a card in hand without revealing it, then each other opponent in turn order does the same
I think this is a fun almost reverse Rakdos, Lord of Riots, where you want to force people to sacrifice things to chuck him on the board for cheap and beat face as a win condition