Teferi, Hero of Dominaria [Best Control Finisher with Built-In Card Draw] Teferi, Hero of Dominaria is the gold standard for control finishers, perfectly representing why White/Blue is one of the most powerful MTG color combinations for long-game strategies
With The First Chapter, Rise of the Floodborn, Into the Inklands, and Ursula's Return out of the picture, several cards that were staples in the game that didn't receive a reprint are no longer viable unless you're playing in the Infinity format
Having access to this with cards like Sythis, Harvests Hand in the command zone means you cast an enchantment, draw a card, the enchantment enters, and you can play a land from your hand
With such interesting commons that you can select from, finding removal for a deck built on the cheap doesnt have to result in a bad deck
Grasping Tentacles Glimpse the Unthinkable mills 10 cards for two, so Grasping Tentacles is slightly worse in that regard
With your first game under your belt, its time to move onto the other included booklet