The weaving magic scrolls seem to play a big part of this new set
Being able to pick and choose whether you draw a card normally or greedily play it off the top in a long game means you basically have a modular Dark Confidant, and you can keep lands in your hand to pitch to something else and play lands off the top for free once a turn
This offers more utility than Tymna, and on a cheaper body to boot
Day of the Dragons is pricey in terms of casting cost, but does triple duty here: it almost always upgrades the stats of your creatures, it protects your team from a board wipe, and you can bounce it with something like Blink of an Eye to flash your team back in and trigger their abilities at instant speed
This quintessential mana rock can slot into any deck for general ramping purposes, especially to get a 3- to 4-drop commander out faster
As comparisons to older cards are one of the easiest ways to evaluate new cards, lets look at another similar card from yesteryear