Ultimate Magic: Holy showcases those final moments where hope seems lost, yet the Lifestream joins with Holy to save the planet in the end
Early removal is crucialAbrade, Cut Down, or Lightning Helix are all great tools that help to keep you alive while setting up your bigger threats
Considering the relatively low ink cost of all three Ducktails nephew cards, getting this ability rolling early on in a Lorcana game is entirely plausible, as well as being excellent gameplay-wise thanks to the advantage that additional card draw can get you
(Since it's unreasonable to penalize players for flaws in Wizards's own printing process.) Secondly, there are player proxies
The real ability here though, is At the beginning of combat on your turn, up to one target land you control becomes an X/X Elemental creature with trample and haste until end of turn, where X is Obuuns power