Battle Fleet
From Archon Arcana - The KeyForge Wiki
Battle Fleet • Mars • Action • Uncommon • Play: Reveal any number of Mars cards from your hand. For each card revealed this way, draw 1 card. • Artist: BalanceSheet • Card Number: CotA:161, VM2023:184
Commentary
When resolving the ability of Battle Fleet, "any number" can be treated as zero.
Source: "Any Number"