Boseiju, Who Endures Aetherdrift You may cast up to

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

You may cast instant and sorcery spells from among them this turn without paying their mana costs

Equipped creature gets +1/-1

After that turn

Whenever Oracle of the Alpha attacks

Boseiju, Who Endures Aetherdrift You may cast up to{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.