If you can somehow make a situation where you can make those copies come down with extra loyalty counters (hello, Doubling Season) this can easily swamp the board with copies of itself, then winning is a bit of a triviality
I looked for expressions with General in them
Land destruction gives Red an option for dealing with the unfair decks that does not require pairing it with Blue or Black
Coat of Arms can make this even faster : One 2/2 Zombie is sacrificed to get two 2/2 Zombies, which each get +1/+1 from Coat of Arms, making them 3/3
For starters his ability, Stage A Little Accident while only causing one damage, could be a final blow stacking onto prior damage dealt that turn or previously
There are also 33 multicoloured and 54 colourless scry cards, which includes 25 lands