Zombies are a minor tribe here as well since they can make lots of tokens and get each other back from graveyards with ease, thereby giving us plenty more to sacrifice
If you control seven or more lands with different names, you create a 2/2 Zombie instead
This is in part because the deck needs enough white to be able to cast Gideon of the Trials, in part that it needs enough untapped blue early to cast the eight early library manipulation, and in part that it needs not so many lands that enter the battlefield tapped that it gets tripped up in the late-game casting a Hive Mind
4 Second Chance In golf, they have something called a mulligan
The trick to drafting control is recognizing that youre assembling different pieces
At four mana themselves, however, youre likely better off just using a removal spell