Cards like Lagrella, the Magpie or Fiend Hunter work perfectly with ETB strategies because they temporarily exile creatures, which lets you retrigger their effects once those creatures return
Its a tough choice, especially considering it comes attached to a mini board wipe
Secondly, all the text on the Kobolds have been replaced by the colour-identity symbol seen on modern reprints of cards like Pact of Negation or on the flipside of certain cards like Nicol Bolas, the Arisen Flip
you can bounce your own creature in response to removal without giving your opponent a fish
After all, they are mostly (slightly) overcosted spells on one side along with a land (which often comes into play tapped and always only taps for a single color of mana) on the other
Red has more redirecting spells than counters, and in many cases it's the difference between Murder and Mind Control