I do wonder if the heavy emphasis on treasure generation in the last few years have made cumulative upkeep not enough of a downside when considering a card for draft and sealed
Invisible Woman's first ability will check as your beginning of combat step starts to see if you've cast a noncreature spell this turn
As we discussed last week, Pup is a nice option for filling out your curve, and it leads to some follow-up plays that your opponents might be having a harder time preparing for
(If you cast a spell for its blitz cost, it gains haste and "When this creature dies, draw a card." Sacrifice it at the beginning of the next end step.) Whenever chaos ensues, return target creature card from your graveyard to your hand
You need to be generating a lot of mana already to make it sexy, so its really about finding interesting utility lands or lands with auto-win conditions and benefiting from them all coming into play at once
1 Ojer Axonil, Deepest Might Burn Baby Burn Ojer Axonil, Deepest Might turns all of your burn spells into a minimum of four damage