Herald of Secret Streams [Ixalan Promos] Commander 2011 Its controller reveals cards from

Its controller reveals cards from the top of their library until they reveal an instant or sorcery card

Target opponent guesses that card's name

Broodstar's power and toughness are each equal to the number of artifacts you control

Set: Prophecy Type: Creature — Avatar Rarity: Rare Cost: {6}{B}{B} If there are ten or more creature cards total in all graveyards

Herald of Secret Streams [Ixalan Promos] Commander 2011 Its controller reveals cards fromSet: Ixalan Promos Type: Creature Merfolk Warrior Rarity: Rare Cost: {3}{U} Creatures you control with +1 +1 counters on them can't be blocked. "You might as well try to stop the waterfall."