Aethersquall Ancient supplies you with 3 precious energy counters each turn if left unchecked
1 Subterror Nemesis Archer 3 Subterror Guru 3 Subterror Fiendess 2 Subterror Behemoth Umastryx 1 Subterror Behemoth Ultramafus 3 Gnomaterial 3 The Hidden City 3 Goddess Urds Verdict 1 Terraforming 2 Book of Moon 3 Pot of Extravagance 1 Harpies Feather Duster 3 Pot of Duality 1 Raigeki 1 Monster Reborn 2 Red Reboot 3 Subterror Final Battle 1 Solemn Judgment 3 Crackdown 1 Subterror Behemoth Fiendess 1 Black Luster Soldier Soldier of Chaos 1 Borrelsword Dragon 1 Borreload Dragon 1 Missus Radiant 1 Knightmare Phoenix 1 Knightmare Unicorn 1 Linkuriboh 1 Akashic Magician 1 Secuirty Dragon 1 Defender of the Labyrinth 1 I:P Masquerena 1 Brute Enforcer 1 Ningirsu the World Chalice Warrior 1 Apollousa, Bow of the Goddess Deck Commentary A Subterror Deck that uses Goddess Urds Verdict from Extra Pack 2019
SEVINNES RECLAMATION While its only been printed in a Commander precon, Sevinnes Reclamation has already branched out across eternal formats
Anyway, to play a subgame, all the players in your game (the main game) pick up their libraries and start a new game
The trigger event doesn't have to specifically refer to legendary permanents or to artifacts, nor does it have to specifically refer to when something "leaves the battlefield." For example, an ability that triggers "whenever a creature dies" would trigger twice if a legendary creature or an artifact creature dies while Gandalf the White is on the battlefield, as would an ability that triggers "whenever a permanent is put into a graveyard from the battlefield." Look at each legendary permanent and each artifact as it exists on the battlefield, taking into account continuous effects, to determine whether any triggered abilities will trigger multiple times