Shining Shoal - Betrayers of Kamigawa - 21

Instant — Arcane

Mana Cost: {X}{W}{W}

You may exile a white card with mana value X from your hand rather than pay this spell's mana cost.
The next X damage that a source of your choice would deal to you and/or creatures you control this turn is dealt to any target instead.

Rare · Betrayers of Kamigawa · #21 (BOK)

Illustrated by Ben Thompson