Dream Trawler is a prominent example, but underplayed threats like Feasting Troll King and Lochmere Serpent fall into this category as well
My beginning was only a few months from Onslaught block, giving me a concentrated look at tribal strategies, followed up by a year of artifacts on Mirrodin, and a year of legendary creatures on Kamigawa
Luckily for all of us, the original art director (Jesper Myrfors) knew that Magic was a special game, and it deserved equally special artwork
Thankfully, we've just learned a whole lot more about the upcoming MTG Final Fantasy Universes Beyond set thanks to this flood of great spoilers
Not only that, but it can trigger multiple times per turn just by casting non-creature spells
For each odd result, create a 1/2 blue Bird creature token with flying named Storm Crow.