As with Molten Echoes, almost every tribal deck has creatures with enter the battlefield abilities, so doubling them would be akin to a Panharmonicon that gives you extra bodies
Conclusion Chief: Well, there you have it
Coming down as a hasty 5/5 for means you can deal some damage right away, but its the random options that can truly swing a game: putting three +1/+1 counters on target creature, putting a shield counter on target creature and gaining three life, or fighting another target creature a foe controls
Arcades is the key that unlocks their true potential, but even without him, the march of the fortresses does not falter
The good news is that it's going to be way cheaper than the original
Originally, I was running a couple of Wishclaw Talismans, but that truly was too limited and clunky