Countless decks want these pingers, and being able to staple one to a wrath before deploying the others will always be good.
Scute Swarm I haven't played with Scute Swarm yet but my initial reaction is, "this was a mistake." The card itself is very good: it's trivial to get to 6+ lands in Green and start triggering Scute Swarm like crazy, and since it grows exponentially the numbers become essentially infinite very quick
The infamous Tardis, is aolso in each of the 3 Doctor decks, which will make for some really thrilling games
Top Commanders The Ur-Dragon Rank #1 48,979decks Edgar Markov Rank #2 48,605decks Y'shtola, Night's Blessed Rank #3 47,538decks Atraxa, Praetors' Voice Rank #4 42,853decks Krenko, Mob Boss Rank #5 42,350decks Kaalia of the Vast Rank #6 38,195decks Vivi Ornitier Rank #7 36,404decks Ms
if it happens, its great, but that isnt the point of the card