Again, from an SCP foundation perspective, this is one of those by lines where they'd be on the lookout for sudden influxes of gold or people being injured by coughing up solid objects as a way to seek Alba's presence
In short, fetchlands are the Swiss Army knife of lands
She also gives an extra lore generation to other Princess characters when she sings, which is really just the cherry on top
An 8/7 creature with vigilance for 6 is very good and your opponent will think twice before pointing removal spells at your creatures
Izzet Fling (0.7% of the Winner's Metagame) 4 Callous Sell-Sword 4 Elusive Otter 4 Slickshot Show-Off 4 Stormchaser's Talent 4 Spirebluff Canal 4 Starting Town 4 Steam Vents 4 Ancestral Anger 4 Wild Ride 4 Sleight of Hand 3 Multiversal Passage 3 Riverpyre Verge 2 Full Bore 2 Shore Up 2 Drake Hatcher 2 Opt 2 Secret Identity 2 Turn Inside Out 1 Mountain 1 Balmor, Battlemage Captain 3 Spell Pierce 2 Into the Flood Maw 2 Secret Identity 2 Soul-Guide Lantern 2 Octopus Form 1 Burst Lightning 1 Dreadmaw's Ire 1 Island 1 Pyroclasm Izzet Fling, the final deck in this Standard metagame overview, can win games out of nowhere by launching oversized creatures directly at the opponent
For that reason, Cathar Commando will always be my number one baddie for dealing with disenchantable permanents