Level One, "Strategies" Turn One : Shock (18) Turn Two : Ash Zealot, attack (16) Turn Three : Toil & Trouble for 7 (9), attack with Ash Zealot (7) Turn Four : Attack with Ash Zealot (5), Boros Charm (1), Skullcrack [for good measure] (-2) A Red-White Burn deck, la Watanabe's Beijing semifinals and finals opponents, could theoretically end games of Magic fairly quickly
I also added the mana pool emptying to it, based on @Zaga's
Stormbreath Dragon would embarrass Two-Headed Dragon even if it did rely on Hammer for haste, which it conveniently doesnt
You might have heard of the expression Brainstorm-locked it means you Brainstorm and you put back two bad cards but then you dont have a way to get rid of them, so you just have to draw bad cards in two consecutive turns and, while that can feel pretty bad, its not really a thing because other cards wouldnt deal with this problem either
This cat commander is quite powerful, creating its own army of Incubators and proliferating to grow them and your other threats
This cant function as graveyard hate, but its hard to consider a better way to shuffle your graveyard into the library