Night's Whisper might do much the same for your card advantage situation for the mana and it wouldn't becomes useless as your opponent consumed their hand but that is entirely overlooking the disruption caused by discard
Blighted Woodland This can also be tapped for a colorless mana and allows you to fetch two basic lands, but at the cost of four mana, which essentially means skipping a turn
While it is possible to live in a magical dream land where you get to target this creature with an early Ephemerate and bury your opponent in value, the average experience is much more compelling to me
Dihada enabling lifelink and indestructible until end of turn is likely also going to have other upgrade guides push you to use these mechanics way morebe that by increasing the number of creature removal / board wipes or adding cards that are going to heavily impact life totals, like Heartless Hidetsugu or Aetherflux Reservoir
Ravensburger has designed the game to be approachable for new players while still offering strategic depth, making it accessible to a wide range of players without the need for an online client
I'm surprised we've not got the Gunblade from Final Fantasy 8, but the Buster Blade being reimagined as an Umezawa's Jitte is still excellent