Herald of Secret Streams [Ixalan Prerelease Promos] 54a put a flow counter on

put a flow counter on Channel Lake Frigid then destroy it unless you put an Ice card from your pitch zone on the bottom of your deck for each flow counter on it

Set: EX: Holon Phantoms Type: Water Rarity: Rare Retreat cost: Colorless

"The Filigree Texts do not compel you to act in accordance with their precepts

Set: Eldritch Moon Prerelease Promos Type: Sorcery Rarity: Rare Cost: {3}{G} Return all land cards from your graveyard to the battlefield tapped

Herald of Secret Streams [Ixalan Prerelease Promos] 54a put a flow counter onSet: Ixalan Prerelease 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."