mtg urza's saga card Bereavement [Urza's Saga] (As this Saga enters and after your draw step MTG Magic the Gathering Corrupt

Alternatively, you can attack with her and then tap her to draw that card post-combat or right before your next turn to keep the momentum up

While Im vehemently against being a catch-up color as being a worthy part of color pie design when it comes to Commander, there are worse ways to do it

From amongst the other cards, you can choose two of them to cast for free

Abilities that trigger "at the beginning of [your] upkeep" will trigger at the beginning of each additional upkeep step as well

Lands, mana rocks, tutors, protection spells, powerful legendary creatures, and splashy finishers are all categories worth checking

an infinite mana Surveil outlet is whats interesting here