Amped Up

This spell costs {1} less to cast for each electrical socket in a wall or floor you can see from your seat. Gain control of target creature until end of turn. Untap that creature. Until end of turn, it gets +3/+0 and gains haste.

From Magic: The Gathering.

Open the interactive version on https://mythscribe.cloud/app/tcg/cards/cms6onw59hg9vpb1huueh4i3e.