Choosing some lower cost Angels like Holy Cow or Bishop of Wings into bigger Angels like Avacyn, Angel of Hope or Serra's Emissary might help
In every Infect game you play, there is some chance the opponent will god-draw and win (then again, Infect is kind of optimized to god-draw and win, so don't blame the RNG gods when you lose to that)
It's all about casting creature spells, and the bigger the power stat, the better the value you get from the face commander Eshki
While there are plenty of substitute counters available in Modern like Negate, Spell Pierce, and Mana Leak, when your only goal is to counter your opponent's counterspell, it doesn't get any more efficient than Dispel
Another key gameplay mechanic set to be introduced with Ursulas Return is the Sing Together keyword, which allows players to help one another to pay for song cards
As soon as there are no permanents with space sculptor on the battlefield, all sector assignments are lost