I suppose he stands a chance if you can get Eviolite on him. But Yanmega decks get 70 on turn 2, and they can Catcher up your Machops or attack Landorus head-on (T2 KO with Tyrogue/PlusPower or T3 with either of Yanmega's attacks). The fact is that if you don't go first, but start Landorus as...
Babies are risky. Reconsider your count.
Here's the issue I was thinking about:
Say you lose the flip and go second; however, you start Landorus, which even Zekrom has trouble OHKO-ing, so you're not worried.
-Your opponent sets up and attacks with something.
On your turn, you discard an energy...