Inventors' Fair 247 (Kaladesh) 000 it deals double that damage

it deals double that damage instead

{1}: If you control Equipment named Helm of Kaldra

If a spell or ability would cause its controller to gain life

) Whenever you cast a spell from exile

If a red source you control would deal damage to an opponent or a permanent an opponent controls

Inventors' Fair 247 (Kaladesh) 000 it deals double that damageAt the beginning of your upkeep, if you control three or more artifacts, you gain 1 life. {T}: Add {C}. {4}, {T}, Sacrifice Inventors' Fair: Search your library for an artifact card, reveal it, put it into your hand, then shuffle. Activate only if you control three or more artifacts.