Clever Concealment [The List] Energy Set: Foundations Promos Type: Artifact

Set: Foundations Promos Type: Artifact Rarity: Rare Cost: {5} As this artifact enters

1BR: Put a -1/-1 counter on another target creature

then return it to the battlefield tapped under its owner's control

they cast it without paying its mana cost

At the academy

Clever Concealment [The List] Energy Set: Foundations Promos Type: ArtifactSet: The List Type: Instant Rarity: Rare Cost: {2}{W}{W} Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.) Any number of target nonland permanents you control phase out. (Treat them and anything attached to them as though they don't exist until your next turn.)