Boseiju, Who Endures Aetherdrift you may play that card

you may play that card without paying its mana cost

(Look at the top card of your library

Equipped creature gets +1/-1

You may cast up to two spells from among the other cards exiled this way without paying their mana costs

Whenever Oracle of the Alpha attacks

Boseiju, Who Endures Aetherdrift you may play that card{T}: Add {G}. Channel {1}{G}, Discard this card: Destroy target artifact, enchantment, or nonbasic land an 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.