V.A.T.S. (Showcase) [Fallout] Aether Revolt Prerelease Promos they don't lose this mana

they don't lose this mana as steps and phases end

Set: Magic Player Rewards 2001 Type: Token Creature — Spirit Rarity: Common Flying

Set: Ixalan Type: Creature — Siren Pirate Rarity: Rare Cost: {2}{U}{U} Flash

Set: March of the Machine Commander Type: Creature — Wurm Rarity: Rare Cost: {6}{G} Backup 3 (When this creature enters the battlefield

V.A.T.S. (Showcase) [Fallout] Aether Revolt Prerelease Promos they don't lose this manaSet: Fallout Type: Instant Rarity: Rare Cost: {2}{B}{B} Split second (As long as this spell is on the stack, players can't cast spells or activate abilities that aren't mana abilities.) Choose any number of target creatures with equal toughness. Destroy the chosen creatures.