Path of Discovery [Rivals of Ixalan] MON089-CF Play this ability as a

Play this ability as a mana source

reveal the top three cards of your library

Dominaria's most extravagant crypt nevertheless holds an empty grave

" —Braids

Heir to Blackblade's power and toughness are each equal to the number of Swamps you control

Path of Discovery [Rivals of Ixalan] MON089-CF Play this ability as aSet: Rivals of Ixalan Type: Enchantment Rarity: Rare Cost: {3}{G} Whenever a creature enters the battlefield under your control, it explores. (Reveal the top card of your library. Put that card into your hand if it's a land. Otherwise, put a +1 +1 counter on the creature, then put the card back or put it into your graveyard.)