This is a fun build-around that doesn't paint a big red target on you right away
Decks with "Elementsaber Makani" * is adopted as a key card
Crop Rotation, Deadly Rollick, Culling the Weak, Diabolic Intent, Phyrexian Altar, Ashnod's Altar, and Phyrexian Tower all play a big role in how the deck takes shape, creating several loops where creatures are sacrificed for benefits like infinite ETBs, death triggers, mana, and so on
2-Color Town Cycle Baron, Airship Kingdom Gohn, Town of Ruin Gongaga, Reactor Town Guadosalam, Farplane Gateway Insomnia, Crown City Rabanastre, Royal City Sharlayan, Nation of Scholars Treno, Dark City Vector, Imperial Capital Windurst, Federation Center Final Fantasy includes a cycle of tapped dual lands with the town subtype
Brawl Not Legal Vintage Legal Timeless Not Legal Commander Legal Pauper Not Legal Oathbreaker Legal Penny Not Legal Toolbox Notes and Rules Information for Horizon Explorer: If a land has an ability that says it enters tapped, you choose the order in which that abilitys effect and the effect of Horizon Explorers first ability apply
This starts out as a bad mana leak, and by the later stages of the game becomes a really efficient hard counter