Archaeomancer's Map (Borderless) [The Lost Caverns of Ixalan Commander] 000 reveal Legacy Weapon and shuffle

reveal Legacy Weapon and shuffle it into its owner's library instead

you’ll flip a Disaster card featuring a Natural

Grey Knights Castellan Crowe

You may cast a spell from among those cards without paying its mana cost

Instant — Adventure

Archaeomancer's Map (Borderless) [The Lost Caverns of Ixalan Commander] 000 reveal Legacy Weapon and shuffleSet: The Lost Caverns of Ixalan Commander Type: Artifact Rarity: Rare Cost: {2}{W} When Archaeomancer's Map enters the battlefield, search your library for up to two basic Plains cards, reveal them, put them into your hand, then shuffle. Whenever a land enters the battlefield under an opponent's control, if that player controls more lands than you, you may put a land card from your hand onto the battlefield.