Nearly every other option for Red and Green hugely outclasses Ulrich, and thats rough for fans of turning into a monster halfway through every game
Summoners Sending is eminently playable and doesnt really feel like youre taking a deck slot away to answer a problem that more often than not needs answering in most Commander games
For Commander, Id love to say that Archive Trap could find a place in a deck sporting Bruvac, but I wholeheartedly believe that the impulse to use it early in the game off an early fetchland would outweigh waiting until Bruvac hit play a few turns later
So, any combat your creature can win, you just let happen -- if your creature will die in combat, you just return it to your hand
If you look at the top three cards and dont like any of your options, shuffling for Hail Mary on the fourth is pretty solid
Anchor to the Aether : Makes them re-draw a creature, and gives us another scry trigger