Not only does this get a Stage 1 on the board without evolving it, but "Maushold" ( Fantastical Parade ) has the attack "Family Beatdown", which flips a coin for every Tandemaus and Maushold you have on the field and deals 60 damage for each heads
You still need to connect with War and Peace to gain the full swingy effect and unless they have only red, white, or no blockers it is much more raceable

Abian, Luvion Usurper (playtest) Abzan Ascendancy Abzan Monument Afterlife Afterlife Insurance Akki Ember-Keeper Alharu, Solemn Ritualist Anafenza, Unyielding Lineage Architect of Restoration Avacyn's Collar Avatar Kuruk Baboon Spirit Baku Altar Beckon Apparition Bishop of Wings Blessed Defiance Brine Comber Brinebound Gift Broken Visage Ceaseless Conflict Chishiro, the Shattered Blade Clarion Spirit Cleaver Blow (playtest) Concord with the Kami Court of Grace Custodi Soulbinders Dauntless Cathar Daxos the Returned Descendant of Storms Donal, Herald of Wings Doomed Traveler Dorothea's Retribution Dripping-Tongue Zubera Drogskol Cavalry Dusyut Earthcarver Elgaud Inquisitor Emissary of the Sleepless Ethereal Absolution Ethereal Investigator Evil Boros Charm (playtest) Field of Souls Foggy Swamp Spirit Keeper Forbidden Orchard Fortress Kin-Guard Funeral Pyre Gallows at Willow Hill Garrison Excavator Geist Snatch Ghastly Mimicry Ghostly Dancers Gift of Wrath Go-Shintai of Shared Purpose Gods' Eye, Gate to the Reikai Goro-Goro and Satoru Goro-Goro, Disciple of Ryusei Great Arashin City Group Project Hallowed Haunting Hanged Executioner Haunted Dead Haunted Library Haunting Imitation Hei Bai, Forest Guardian Hofri Ghostforge Honden of Life's Web Illuminate History Illustrious Historian Imperious Oligarch Indebted Spirit Inspirited Vanguard Kaya the Inexorable Kaya's Guile

Legendary Creature - Vampire Demon Voldaren Bloodcaster Flying Whenever this creature or another nontoken creature you control dies, create a Blood token
The slow lands will enter untapped more often, and youll also be interested in playing other lands like Temples and creature lands that dont have the mountain/swamp types