If you win the flip, put a fuse counter on this enchantment
Though in truth given that there isn't exactly a dearth of strong card draw in EDH it's doubtful you'll see much of this though it's also snow that doesn't cost snow, and racking up snow permanents may help in some scenarios
Age counters can force your opponent to sacrifice their precious indestructible baby if they cant keep up with the cumulative upkeep cost, so making something like Mystic Remora indestructible won't achieve much
You regularly run into both creature types in the sky where these Angels fight, and blocking an attacking big Dragon or swinging through a powerful Demon happens regularly
If you want to copy your Commander, either of the Sakashima cards or Spark Double are great
Sedgemoor Witch, for example, is up about 20% since last Friday, after more than doubling in price the week before