Once your second spell hits, it mills opponents and lets you exile a spell from a graveyard, copy it, and cast it for free
She is all about dealing damage to other players, letting you draw cards if you dealt four damage to a player in a turn, and letting you do damage to players by casting noncreature spells with three or more mana
You would have to go out of your way to draft the meld cards, and theres no guarantee theyll even be opened
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