Whether they're actually good isn't immediately obvious, so I will use them to demonstrate how I see sideboard cards
These will be quite good in the base colour decks and will enable a splash
Thanks to warp, you can even deploy it early for a temporary boost before bringing it back later
Tyranid Swarm Tyranid Swarm is a classic Temur beatdown deck that features some aggressive, stompy creatures and scaleable creature threats based around +1/+1 counters
Often this means a lower score for cards with great potential in a highly synergistic deck
If we go way too safe, we risk the other thing, where the trading card gamers say, This isnt for me. I think the reason it took so long to get where we got was that specific target we were trying to hit to do something that we feel is welcoming, and strategically exciting for trading card gamers