Having a strong Adventure bumps up the card, but its still good at five mana
Since Simic typically loves ramp, this seems really strong there
A free creature token whenever you make tokens, on a decent body that can grow makes Quina decently
Sigarda, Champion of Light is the newest incarnation of the much-loved Innistrad Angel
For regular upgrades I highly recommend: Vito, Thorn of the Dusk Rose, Mondrak, Glory Dominus, Anointed Procession, Parallel Lives, Eerie Ultimatum, and you can also run the Cat Oven combo with Cauldron Familiar + Witch's Oven + Clock of Omens, and there's the Ballista Combo Heliod, Sun-Crowned + Walking Ballista, and finally the Exquisite Blood Combo since the deck already runs the other piece Sanguine Bond One Down, Three to Go
His article includes the quote "it appears that the two, three and four-mana slots are where the majority of your spells should be." Frank is right, if what you're looking to do is optimize your curve and minimize variation in gameplay, which is precisely what competitive players want to do
