Energy Chamber [Fifth Dawn] SWSH117 You can only use each

You can only use each of the following effects of "Penguin Brave" once per turn

Ritual Summon 1 "Megalith" Ritual Monster from your hand or Deck by Tributing monsters from your hand or field whose total Levels equal or exceed the Level of the Ritual Monster

If you control a "Harpie" monster

You can only use this effect of "Brionac

The amount you pay can't be more than the total number of white nontoken permanents your opponents control plus the total number of white cards in their graveyards

Energy Chamber [Fifth Dawn] SWSH117 You can only use eachSet: Fifth Dawn Type: Artifact Rarity: Uncommon Cost: {2} At the beginning of your upkeep, choose one Put a +1 +1 counter on target artifact creature. Put a charge counter on target noncreature artifact.