5 Teferi, Time Raveler Changed The Pace Of Play The War Of The Spark set focused heavily on the Planeswalker card type, printing a huge number and giving a great number of passive abilities in addition to their activated abilities
A creature that deals combat damage to a player must have a +1/+1 counter on it at the time damage is dealt in order for Haliya, Ascendant Cadet's last ability to trigger
Even though you are usually winning any way when you have an active Jitte the presence of the life gain ability is still highly relevant
Since she's also a Merfolk, you can also give her a boost with all the different Merfolk lords across all three colors
Alseid of Lifes Bounty gives us an answer to all kinds of removal, and helps push damage through, just dont forget it will knock your auras off if you choose green or white
This is especially common in GUx towns, as their in-color options are a bit worse