Clever Concealment [The List] Energy 1BR: Put a -1/-1 counter

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

Tawnos refined the rare metals in the earth into self-assembling strands

Underworld Cost: 7

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

Clever Concealment [The List] Energy 1BR: Put a -1/-1 counterSet: 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.)