Of course this is usually up to GM discretion: the rules might *say* that an enemy force will break and run if more than 50% of their troops are killed, but if that number only gets to 51% because the pacifist cleric broke his vow and scored a critical hit while having 5 HP and defending the fallen bodies of his comrades, well, even kobolds aren't that dumb
MTGO List Upgrading And Fiddly Bits Most of the potential upgrades are outlined in the deck analysis, but here's a few more cards if you want to take things further: Elesh Norn, Grand Cenobite buffs your token army while crippling your opponents, a terrific inclusion
The Original Mox Cycle The original Moxen make up a big chunk of Magics Power 9, which are considered the most powerful cards in the game
When this version of Kozilek comes into play you fill your hand back up to 7 cards
Another variation on the above line is that in lieu of a Devolution Spray, you can use AZ + VS Seeker
At this trajectory, you may be able to find one for under $50