Riverwise Augur [Rivals of Ixalan] Duel Decks Anthology during your Main Phase: You

during your Main Phase: You can check the difference between the current and original ATK of each monster on the field

It has "{1}{B}

Set: Maximum Crisis Card type: Xyz/Effect Monster Rarity: Ultra Rare Attack:

If you sang a song the whole time you were searching and shuffling

Riverwise Augur [Rivals of Ixalan] Duel Decks Anthology during your Main Phase: YouSet: Rivals of Ixalan Type: Creature Merfolk Wizard Rarity: Uncommon Cost: {3}{U} When Riverwise Augur enters the battlefield, draw three cards, then put two cards from your hand on top of your library in any order. "Time flows as the rivers do, toward an unknown sea. The wise know to look downstream."