Hello, i am gona list some of the tools you can use to improve your game;
https://splintertools.io/ - a verry usefull tool to help you improve your game,allowing you replay matches giving you better understanding at what you need to improve and positioning.
https://www.splintercards.com/ a tool that helps you calculate,your sps drop,and many more to improve your game
MonsterMarket.io has a discord channel (https://discord.gg/KvSXEX2U) which can provide you notifications on cards that are sometimes 50-80% cheaper than the current prices set on the market. In the video we go through the quickest way to find these hugely discounted cards. You've got to be quick though!
GL all