Zap
From Archon Arcana
Zap • Star Alliance • Action • Common • Play: Deal 1
to a creature for each house represented among creatures in play. • Artist: Colin Searle • Card Number: WC (307)

Play: Deal 1
to a creature for each house represented among creatures in play.

“We come in peace.”
WC 307
Artist: Colin Searle
Commentary
The ability text for Zap is worded the same way as Sack of Coins, clarifying that "For each" here means that the effect can be applied to multiple creatures.
Source: Sack of Coins