While it can neuter your own strategies if you arent careful, the current prevalence of Dimir Excruciator and Izzet Elementals makes this artifact a staple in any deck trying to survive the Standard ladder
The earlier you play Mystic Remora (ideally on turn 1 or 2), the more cards youll draw because players wont be able to pay the mana for all the ramp spells they're likely to deploy
Sokka, Swordmaster Learning from Master Piandao is one of the best things to ever happen to Sokka, Swordmaster
It also adds another collectible to the game (and history shows us we have a lot of players who love collecting things)
Meddle-like effects in limited have always been relatively strong, but Willbender takes this to a new level by allowing you to redirect spells AND effects
Late game you will probably have fewer creatures, unless all players at the table decide not to play removal