A three-mana combat trick is a big ask, but this will make a huge difference in a race, and because it cantrips, is going to slot nicely into the UB draw-two archetype.
And Ifh-Bff is an old family nickname for Elizabeth, Garfields sister
Flash plus flexible abilities make every combat miserable and turn instant-speed pressure into a legitimate win condition
With Sylvan Library, we can skip the draw and gain a whopping 15 life a turn, or we can draw one card and gain six life
Like a healthy swarm of rats, it offers many little things which add up to a lot
To give an example from a different series, the Pikachu & Zekrom-GX card is marked SM9