Built in lifegain is really icing on the top here
Obviously from this point, its trivial to win the game, with the most common path being to mill your opponents out with Codex Shredder loops
Despite being an uncommon, Shoreline Looter occupies this space best now, giving you full unblockability and the ability to keep the cards you draw once you hit threshold, which it actively works towards
Each format has its own card pools and metagames to learn, and can allow you to explore new ways of playing with new decks or even find ways to rejuvenate your old and abandoned favourites
Theres the classic Isochron Scepter and Dramatic Reversal
The key here is that Byrke, Long Ear of the Law doesn't have to be the creature attacking, so you can get double counters on two attackers the turn Burke enters, and it gets out of hand on subsequent turns