MTG >Combos >Astrolabio de eterium +Nexo de Ugin +Kaya, la Inexorable +

use −7: You get an emblem with “At the beginning of your upkeep, you may cast a legendary spell from your hand, from your graveyard, or from among cards you own in exile without paying its mana cost.” each turn bring Ugin's Nexus to play and sacrifice it