Without paying their mana cost is important considering you already pumped 7 mana into Etali
That is what sets this commander apart as well
Then, if you sacrificed an Artifact, enchantment, or token when casting this spell, you get to put them directly into play
The list includes favorites like Gemhide Sliver, Harmonic Sliver, and Might Sliver, but dont sleep on some of the grindier cards like Darkheart Sliver and Necrotic Sliver, the latter of which can find a home outside of tribal decks as well, like in a Karador, Ghost Chieftain build
I think the price on these 3 cards is more or less correct which is why I used them as a reference
Dinosaurs have roared their way into the game, and with them, some mighty legendary commanders can lead your Jurassic army to victory