Clever Concealment

Mana Cost: {2}{W}{W}
Total Cost: 4
Type: Instant
Description: 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.)
Colors: W