Boseiju, Who Endures (Extended Art) [NEO - 501] Fallen Empires you may play cards you

you may play cards you dont own with stash counters on them from exile

Bringer of Ruin attacks

They were just lying around

Then for each creature card you own in exile with a memory counter on it

Boseiju, Who Endures (Extended Art) [NEO - 501] Fallen Empires you may play cards youRarity: R #: 501 Creature Type or Sub Type: Legendary Land Rules Text Contains: T: Add G. Channel 1G, Discard Boseiju, Who Endures: Destroy target artifact, enchantment or nonbasic land and opponent controls. That player may search their library for a land card with a basic land type, put it onto the battlefield, then shuffle. This ability costs 1 less to activate for each legendary creature you control.