Raging River [International Collectors' Edition] Eighth Edition Then that player loses all

Then that player loses all unspent mana and you add the mana lost this way

Set: Pro Tour Collector Set Type: Sorcery Rarity: Uncommon Cost: {2}{R}{R} Destroy all white permanents

rounded down

Set: Archenemy Type: Creature — Human Spellshaper Rarity: Common Cost: {2}{B} {B}

Set: Kaladesh Prerelease Promos Type: Creature — Angel Rarity: Mythic Cost: {3}{W}{W} Flying

Raging River [International Collectors' Edition] Eighth Edition Then that player loses allSet: International Collectors' Edition Type: Enchantment Rarity: Rare Cost: {R}{R} Whenever one or more creatures you control attack, each defending player divides all creatures without flying they control into a "left" pile and a "right" pile. Then, for each attacking creature you control, choose "left" or "right." That creature can't be blocked this combat except by creatures with flying and creatures in a pile with the chosen label.