I play Crucible and Loam with Exploration and several other extra land effects, so this is a way to draw a bunch more cards late game
The bane of white-blue decks in that format was Cabal Torturer, and without Psionic Gift, the only good way to deal with this creature was to splash red or black as a third color, weakening your mana base
Aggravated Assault Akki Battle Squad All-Out Assault Anzrag, the Quake-Mole Aurelia, the Warleader Aurelia, the Warleader Balthier and Fran Bear with Set's Mechanic (playtest) Bloodthirster Brave the Sands Breath of Fury Bumi, Unleashed Cenn's Tactician Combat Celebrant Cyclonus, Cybertronian Fighter Echo Circlet Entourage of Trest Fear of Missing Out Felix Five-Boots Fibrous Entangler Finest Hour Foriysian Brigade Foriysian Interceptor Foriysian Totem Full Throttle Fury of the Horde Genji Glove Geode Golem Ghastbark Twins Gnarlid Colony Godo, Bandit Warlord Godo, Bandit Warlord Goremand Great Train Heist Grim Reaper's Sprint Hellkite Charger Hexplate Wallbreaker High Ground Hundred-Handed One Illusionist's Gambit Iona's Blessing Karlach, Fury of Avernus Kemba's Legion Knight of Sorrows Lairwatch Giant Last Night Together Lightning Runner Manifold Mouse Moraug, Fury of Akoum Najeela, the Blade-Blossom Najeela, the Blade-Blossom Najeela, the Blade-Blossom Necrogen Rotpriest Night Market Guard Obeka, Splitter of Seconds Oona's Blackguard Overpowering Attack Port Razer Prosperous Bandit Raiyuu, Storm's Edge Raph & Leo, Sibling Rivals Raphael, Tag Team Tough Relentless Assault Response // Resurgence Response // Resurgence Roadkill Rodney Savage Beating Scourge of the Throne Secret of Bloodbending Seize the Day Selesnya Sagittars Skaab Goliath
According to CardsRealm, an unnamed Brazillian distributor delivered an urgent message asking the FIN products, that had been distributed erroneously, to be returned unopened
A land that ETBs and surveils 1 is already good in decks that care about this effect
For another, you know that all of your creatures will get reanimated by Balthor, and thats probably not true for your opponents
