This doesnt even have to be the ones you drew into, it could be dead cards that you have in hand already or a couple of lands for the next turn
That aside, I feel like Commander players do need to just run more Basics
Mirri's a 3/2 legendary with First Strike that limits opponents to just one blocker any time it attacks
It turns your opponents chump blockers into a staggering trade in permanents unless they have an army of tokens or permanents they mind losing in play
But even if one didn't swap those two, much like an unmodified Elven Empire deck, Szarek can still hold his own in a pod with its designated precon
But if players are dead-set on him, including tons of enter-the-battlefield effects like Warstorm Surge is a good way to make use of his hefty 5 power, alongside instant-speed kill spells to trigger his returning effect